CA Drinking Water Watch

CWS - BAKERSFIELD (1510003)

All Sampling Results From To

WELL 225-01 - AFTER_AS-TRT (CA1510003_271_271)

Click to hide / show columns: Analyte Number | Analyte Name | Sampling Date | Detected Level | Less Than | RL | Counting Error (+/-) | MCL | DLR | Unit | Lab Sample ID | Lab | ELAP | Method |

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Analyte Number Analyte Name Sampling Date Results Counting Error (+/-) MCL DLR Unit Lab Sample ID Lab ELAP Method
Detected Level Less Than RL
Analyte Number Analyte Name Sampling Date Detected Level Less Than RL Counting Error (+/-) MCL DLR Unit Lab Sample ID Lab ELAP Method
1005 ARSENIC 08-02-2026 < 2 10 2 UG/L AJH0386-06 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
C253 PH, FIELD 08-02-2026 7.4 pH AJH0386-06A BSK ANALYTICAL LABORATORIES 1180 SM 4500-H+B
1005 ARSENIC 07-26-2026 < 2 10 2 UG/L AJG3806-03 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
C253 PH, FIELD 07-26-2026 7.3 pH AJG3806-03A BSK ANALYTICAL LABORATORIES 1180 SM 4500-H+B
1005 ARSENIC 07-19-2026 < 2 10 2 UG/L BJG0572-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 07-12-2026 < 2 10 2 UG/L BJG0388-03 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
C253 PH, FIELD 07-12-2026 7.4 pH BJG0388-03A BSK ANALYTICAL LABORATORIES 1180 SM 4500-H+B
1005 ARSENIC 07-05-2026 < 2 10 2 UG/L BJG0119-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
C253 PH, FIELD 07-05-2026 7.4 pH BJG0119-02A BSK ANALYTICAL LABORATORIES 1180 SM 4500-H+B
1005 ARSENIC 06-28-2026 < 2 10 2 UG/L BJF0889-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
C253 PH, FIELD 06-21-2026 7.45 pH BJF0740-03 BSK ANALYTICAL LABORATORIES 1180 SM 4500-H+B
1005 ARSENIC 06-21-2026 < 2 10 2 UG/L BJF0740-03 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 06-14-2026 < 2 10 2 UG/L BJF0579-03 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 06-07-2026 < 2 10 2 UG/L BJF0331-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 05-31-2026 < 2 10 2 UG/L BJF0031-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 05-24-2026 < 2 10 2 UG/L BJE0628-03 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
C253 PH, FIELD 05-24-2026 7.6 pH BJE0628-03A BSK ANALYTICAL LABORATORIES 1180 SM 4500-H+B
1005 ARSENIC 05-17-2026 < 2 10 2 UG/L BJE0454-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 05-10-2026 < 2 10 2 UG/L BJE0264-03 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
C253 PH, FIELD 05-10-2026 7.8 pH BJE0264-03A BSK ANALYTICAL LABORATORIES 1180 SM 4500-H+B
1005 ARSENIC 05-03-2026 < 2 10 2 UG/L BJE0070-01 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 04-26-2026 < 2 10 2 UG/L BJD0642-01 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
C253 PH, FIELD 04-26-2026 7.38 pH BJD0642-01A BSK ANALYTICAL LABORATORIES 1180 SM 4500-H+B
1005 ARSENIC 04-19-2026 < 2 10 2 UG/L AJD2911-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1095 ZINC 04-12-2026 < 1 5000 UG/L 260212-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 04-12-2026 < 1 UG/L 260212-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 04-12-2026 < 1 2 1 UG/L 260212-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 04-12-2026 < 1 100 10 UG/L 260212-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 04-12-2026 < 1 50 UG/L 260212-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 04-12-2026 < 1 4 1 UG/L 260212-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 04-12-2026 < 1 6 6 UG/L 260212-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 04-12-2026 < 1 50 5 UG/L 260212-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 04-12-2026 < 1 5 UG/L 260212-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 04-12-2026 1.0 1 1000 50 UG/L 260212-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 04-12-2026 2.0 1 50 10 UG/L 260212-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 04-12-2026 < 1 5 1 UG/L 260212-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 04-12-2026 < 1 10 2 UG/L 260212-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 04-12-2026 2.5 1 20 1 PCI/L 260212-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 04-05-2026 < 1 5000 UG/L 260205-1497 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 04-05-2026 < 1 UG/L 260205-1497 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 04-05-2026 < 1 5 UG/L 260205-1497 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 04-05-2026 < 1 6 6 UG/L 260205-1497 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 04-05-2026 < 1 50 5 UG/L 260205-1497 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 04-05-2026 < 1 1000 50 UG/L 260205-1497 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 04-05-2026 2.8 1 50 10 UG/L 260205-1497 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 04-05-2026 < 1 100 10 UG/L 260205-1497 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 04-05-2026 < 1 50 UG/L 260205-1497 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 04-05-2026 < 1 5 1 UG/L 260205-1497 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 04-05-2026 < 1 10 2 UG/L 260205-1497 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 03-29-2026 1.7 1 5000 UG/L 260129-0102 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 03-29-2026 < 1 5 UG/L 260129-0102 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 03-29-2026 < 50 1000 50 UG/L 260129-0102 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 03-29-2026 1.0 1 50 5 UG/L 260129-0102 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 03-29-2026 1.0 1 1000 50 UG/L 260129-0102 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 03-29-2026 2.9 1 50 10 UG/L 260129-0102 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 03-29-2026 < 1 100 10 UG/L 260129-0102 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 03-29-2026 < 1 5 1 UG/L 260129-0102 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 03-29-2026 < 1 10 2 UG/L 260129-0102 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 03-22-2026 < 1 10 2 UG/L 260122-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 03-22-2026 < 1 50 5 UG/L 260122-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 03-22-2026 < 1 6 6 UG/L 260122-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 03-22-2026 2.9 1 50 10 UG/L 260122-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 03-22-2026 < 1 5 1 UG/L 260122-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 03-22-2026 < 1 1000 50 UG/L 260122-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 03-22-2026 < 1 5 UG/L 260122-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 03-22-2026 < 1 100 10 UG/L 260122-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 03-22-2026 < 1 5000 UG/L 260122-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 03-15-2026 < 1 10 2 UG/L 260115-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 03-15-2026 < 50 1000 50 UG/L 260115-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 03-15-2026 < 1 50 5 UG/L 260115-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 03-15-2026 < 1 6 6 UG/L 260115-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 03-15-2026 3.2 1 50 10 UG/L 260115-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 03-15-2026 < 1 5 1 UG/L 260115-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 03-15-2026 < 1 1000 50 UG/L 260115-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 03-15-2026 < 1 5 UG/L 260115-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 03-15-2026 < 1 100 10 UG/L 260115-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 03-15-2026 < 1 50 UG/L 260115-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 03-15-2026 1.0 1 5000 UG/L 260115-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 03-15-2026 < 1 UG/L 260115-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 03-08-2026 < 1 10 2 UG/L 260108-0404 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 03-08-2026 < 50 1000 50 UG/L 260108-0404 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 03-08-2026 1.0 1 50 5 UG/L 260108-0404 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 03-08-2026 < 1 6 6 UG/L 260108-0404 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 03-08-2026 3.2 1 50 10 UG/L 260108-0404 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 03-08-2026 < 1 5 1 UG/L 260108-0404 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 03-08-2026 < 1 1000 50 UG/L 260108-0404 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 03-08-2026 < 1 5 UG/L 260108-0404 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 03-08-2026 < 1 100 10 UG/L 260108-0404 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 03-08-2026 < 1 50 UG/L 260108-0404 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 03-08-2026 < 1 5000 UG/L 260108-0404 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 03-08-2026 < 1 UG/L 260108-0404 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 03-01-2026 < 1 4 1 UG/L 260101-1359 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 03-01-2026 < 1 6 6 UG/L 260101-1359 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 03-01-2026 < 1 5 UG/L 260101-1359 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 03-01-2026 2.9 1 50 10 UG/L 260101-1359 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 03-01-2026 < 1 5 1 UG/L 260101-1359 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 03-01-2026 < 1 5000 UG/L 260101-1359 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 03-01-2026 < 1 100 10 UG/L 260101-1359 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 03-01-2026 < 1 UG/L 260101-1359 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 03-01-2026 < 1 50 UG/L 260101-1359 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 03-01-2026 < 1 1000 50 UG/L 260101-1359 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 03-01-2026 < 1 10 2 UG/L 260101-1359 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 03-01-2026 < 1 50 5 UG/L 260101-1359 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 03-01-2026 < 50 1000 50 UG/L 260101-1359 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 02-22-2026 < 1 100 10 UG/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 02-22-2026 2.5 1 20 1 PCI/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 02-22-2026 < 50 1000 50 UG/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 02-22-2026 < 1 4 1 UG/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 02-22-2026 < 1 6 6 UG/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 02-22-2026 < 1 50 UG/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 02-22-2026 < 1 5 UG/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 02-22-2026 < 1 1000 50 UG/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 02-22-2026 3.2 1 50 10 UG/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 02-22-2026 < 1 UG/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 02-22-2026 < 1 2 1 UG/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 02-22-2026 1.2 1 5000 UG/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 02-22-2026 < 1 5 1 UG/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 02-22-2026 < 1 10 2 UG/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 02-22-2026 1.0 1 50 5 UG/L 251225-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 02-15-2026 < 1 100 10 UG/L 251218-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 02-15-2026 < 50 1000 50 UG/L 251218-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 02-15-2026 < 1 6 6 UG/L 251218-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 02-15-2026 < 1 5 UG/L 251218-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 02-15-2026 1.8 1 1000 50 UG/L 251218-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 02-15-2026 < 1 2 1 UG/L 251218-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 02-15-2026 < 1 5000 UG/L 251218-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 02-15-2026 < 1 5 1 UG/L 251218-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 02-15-2026 < 1 10 2 UG/L 251218-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 02-15-2026 < 1 50 5 UG/L 251218-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 02-08-2026 < 1 100 10 UG/L 251211-0407 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 02-08-2026 2.1 1 20 1 PCI/L 251211-0407 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 02-08-2026 < 50 1000 50 UG/L 251211-0407 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 02-08-2026 < 1 4 1 UG/L 251211-0407 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 02-08-2026 < 1 6 6 UG/L 251211-0407 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 02-08-2026 < 1 50 UG/L 251211-0407 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 02-08-2026 < 1 1000 50 UG/L 251211-0407 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 02-08-2026 2.7 1 50 10 UG/L 251211-0407 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 02-08-2026 < 1 UG/L 251211-0407 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 02-08-2026 < 1 2 1 UG/L 251211-0407 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 02-08-2026 < 1 5000 UG/L 251211-0407 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 02-08-2026 < 1 5 1 UG/L 251211-0407 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 02-08-2026 < 1 10 2 UG/L 251211-0407 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 02-08-2026 < 1 50 5 UG/L 251211-0407 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 02-01-2026 < 1 5000 UG/L 251204-1362 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 02-01-2026 < 1 2 1 UG/L 251204-1362 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 02-01-2026 3.0 1 50 10 UG/L 251204-1362 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 02-01-2026 < 1 5 1 UG/L 251204-1362 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 02-01-2026 2.2 1 20 1 PCI/L 251204-1362 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 02-01-2026 < 1 10 2 UG/L 251204-1362 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 02-01-2026 < 1 50 UG/L 251204-1362 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 02-01-2026 < 1 50 5 UG/L 251204-1362 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 02-01-2026 < 1 1000 50 UG/L 251204-1362 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 02-01-2026 < 1 4 1 UG/L 251204-1362 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 02-01-2026 < 1 6 6 UG/L 251204-1362 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 02-01-2026 < 1 100 10 UG/L 251204-1362 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 01-25-2026 < 1 10 2 UG/L 251127-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 01-25-2026 < 50 1000 50 UG/L 251127-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 01-25-2026 < 1 2 1 UG/L 251127-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 01-25-2026 < 1 6 6 UG/L 251127-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 01-25-2026 1.3 1 100 10 UG/L 251127-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 01-25-2026 14.1 1 1000 50 UG/L 251127-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 01-25-2026 2.3 1 20 1 PCI/L 251127-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 01-25-2026 5.7 1 5000 UG/L 251127-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 01-25-2026 < 1 5 1 UG/L 251127-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 01-25-2026 1.0 1 50 5 UG/L 251127-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 01-25-2026 < 1 5 UG/L 251127-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 01-18-2026 < 1 10 2 UG/L 251120-0178 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 01-18-2026 < 1 2 1 UG/L 251120-0178 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 01-18-2026 < 1 4 1 UG/L 251120-0178 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 01-18-2026 < 1 6 6 UG/L 251120-0178 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 01-18-2026 1.3 1 100 10 UG/L 251120-0178 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 01-18-2026 3.0 1 1000 50 UG/L 251120-0178 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 01-18-2026 2.4 1 20 1 PCI/L 251120-0178 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 01-18-2026 3.0 1 5000 UG/L 251120-0178 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 01-18-2026 < 1 5 1 UG/L 251120-0178 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 01-18-2026 < 1 50 5 UG/L 251120-0178 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 01-18-2026 < 1 5 UG/L 251120-0178 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 01-11-2026 < 1 10 2 UG/L 251113-0433 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 01-11-2026 < 1 6 6 UG/L 251113-0433 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 01-11-2026 1.7 1 100 10 UG/L 251113-0433 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 01-11-2026 < 1 50 UG/L 251113-0433 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 01-11-2026 23.3 1 1000 50 UG/L 251113-0433 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 01-11-2026 2.5 1 20 1 PCI/L 251113-0433 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 01-11-2026 8.8 1 5000 UG/L 251113-0433 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 01-11-2026 < 1 2 1 UG/L 251113-0433 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 01-11-2026 3.3 1 50 10 UG/L 251113-0433 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 01-11-2026 < 1 5 1 UG/L 251113-0433 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 01-11-2026 1.1 1 50 5 UG/L 251113-0433 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 01-11-2026 < 1 5 UG/L 251113-0433 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 01-07-2026 < 1 100 10 UG/L 251106-1437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 01-07-2026 < 1 50 UG/L 251106-1437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 01-07-2026 < 1 5000 UG/L 251106-1437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 01-07-2026 < 1 5 1 UG/L 251106-1437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 01-07-2026 < 1 2 1 UG/L 251106-1437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 01-07-2026 1.4 1 50 5 UG/L 251106-1437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 01-07-2026 2.7 1 20 1 PCI/L 251106-1437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 01-07-2026 < 1 5 UG/L 251106-1437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 01-07-2026 < 1 1000 50 UG/L 251106-1437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 01-07-2026 3.5 1 50 10 UG/L 251106-1437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 01-07-2026 < 1 10 2 UG/L 251106-1437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 01-07-2026 < 1 6 6 UG/L 251106-1437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 12-28-2025 < 1 5 UG/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 12-28-2025 < 1 5 1 UG/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 12-28-2025 < 1 10 2 UG/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 12-28-2025 < 50 1000 50 UG/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 12-28-2025 2.2 1 20 1 PCI/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 12-28-2025 1.2 1 5000 UG/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 12-28-2025 < 1 1000 50 UG/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 12-28-2025 3.0 1 50 10 UG/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 12-28-2025 < 1 UG/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 12-28-2025 < 1 2 1 UG/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 12-28-2025 < 1 4 1 UG/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 12-28-2025 < 1 6 6 UG/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 12-28-2025 < 1 100 10 UG/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 12-28-2025 < 1 50 UG/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 12-28-2025 < 1 50 5 UG/L 251030-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 12-21-2025 < 1 10 2 UG/L 380-189665-2 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 200.8
1005 ARSENIC 12-14-2025 < 2 10 2 UG/L AIL2245-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
C253 PH, FIELD 12-14-2025 7.6 pH AIL2245-02A BSK ANALYTICAL LABORATORIES 1180 SM 4500-H+B
1030 LEAD 12-07-2025 < 1 5 UG/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 12-07-2025 < 1 5 1 UG/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 12-07-2025 < 1 10 2 UG/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 12-07-2025 < 50 1000 50 UG/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 12-07-2025 2.4 1 20 1 PCI/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 12-07-2025 3.6 1 5000 UG/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 12-07-2025 < 1 UG/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 12-07-2025 1.6 1 1000 50 UG/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 12-07-2025 3.3 1 50 10 UG/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 12-07-2025 < 1 2 1 UG/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 12-07-2025 < 1 4 1 UG/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 12-07-2025 < 1 6 6 UG/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 12-07-2025 1.2 1 100 10 UG/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 12-07-2025 < 1 50 UG/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 12-07-2025 1.0 1 50 5 UG/L 251009-0419 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 11-30-2025 < 1 4 1 UG/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 11-30-2025 < 1 6 6 UG/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 11-30-2025 < 1 5 UG/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 11-30-2025 < 50 1000 50 UG/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 11-30-2025 1.4 1 50 5 UG/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 11-30-2025 < 1 100 10 UG/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 11-30-2025 < 1 50 UG/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 11-30-2025 2.3 1 20 1 PCI/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 11-30-2025 < 1 5000 UG/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 11-30-2025 < 1 5 1 UG/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 11-30-2025 < 1 10 2 UG/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 11-30-2025 < 1 UG/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 11-30-2025 < 1 2 1 UG/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 11-30-2025 < 1 1000 50 UG/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 11-30-2025 2.4 1 50 10 UG/L 251002-1295 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 11-23-2025 < 1 100 10 UG/L 250925-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 11-23-2025 < 1 50 UG/L 250925-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 11-23-2025 < 1 10 2 UG/L 250925-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 11-23-2025 < 50 1000 50 UG/L 250925-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 11-23-2025 2.4 1 20 1 PCI/L 250925-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 11-23-2025 1.0 1 50 5 UG/L 250925-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 11-23-2025 < 1 5 UG/L 250925-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 11-23-2025 < 1 5000 UG/L 250925-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 11-23-2025 < 1 UG/L 250925-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 11-23-2025 < 1 2 1 UG/L 250925-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 11-23-2025 < 1 6 6 UG/L 250925-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 11-23-2025 < 1 1000 50 UG/L 250925-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 11-23-2025 3.1 1 50 10 UG/L 250925-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 11-23-2025 < 1 5 1 UG/L 250925-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 11-16-2025 < 1 100 10 UG/L 250918-0134 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 11-16-2025 < 1 50 UG/L 250918-0134 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 11-16-2025 < 1 10 2 UG/L 250918-0134 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 11-16-2025 < 50 1000 50 UG/L 250918-0134 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 11-16-2025 2.4 1 20 1 PCI/L 250918-0134 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 11-16-2025 1.1 1 50 5 UG/L 250918-0134 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 11-16-2025 < 1 5 UG/L 250918-0134 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 11-16-2025 < 1 5000 UG/L 250918-0134 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 11-16-2025 < 1 UG/L 250918-0134 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 11-16-2025 < 1 2 1 UG/L 250918-0134 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 11-16-2025 < 1 6 6 UG/L 250918-0134 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 11-16-2025 < 1 1000 50 UG/L 250918-0134 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 11-16-2025 3.0 1 50 10 UG/L 250918-0134 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 11-16-2025 < 1 5 1 UG/L 250918-0134 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 11-09-2025 < 2 10 2 UG/L AIK1556-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1036 NICKEL 11-02-2025 < 1 100 10 UG/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 11-02-2025 < 1 50 UG/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 11-02-2025 < 1 5 1 UG/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 11-02-2025 < 1 10 2 UG/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 11-02-2025 < 50 1000 50 UG/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 11-02-2025 < 1 6 6 UG/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 11-02-2025 1.1 1 50 5 UG/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 11-02-2025 < 1 5000 UG/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 11-02-2025 < 1 UG/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 11-02-2025 < 1 5 UG/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 11-02-2025 < 1 2 1 UG/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 11-02-2025 < 1 4 1 UG/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 11-02-2025 2.3 1 20 1 PCI/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 11-02-2025 < 1 1000 50 UG/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 11-02-2025 3.2 1 50 10 UG/L 250904-1270 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 10-26-2025 < 2 10 2 UG/L AIJ3691-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
C253 PH, FIELD 10-26-2025 7.4 pH AIJ3691-02A BSK ANALYTICAL LABORATORIES 1180 SM 4500-H+B
4006 COMBINED URANIUM 10-19-2025 2.5 1 20 1 PCI/L 250821-0147 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 10-19-2025 < 1 UG/L 250821-0147 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 10-19-2025 < 1 2 1 UG/L 250821-0147 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 10-19-2025 < 1 100 10 UG/L 250821-0147 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 10-19-2025 1.0 1 1000 50 UG/L 250821-0147 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 10-19-2025 3.5 1 50 10 UG/L 250821-0147 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 10-19-2025 < 1 6 6 UG/L 250821-0147 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 10-19-2025 < 1 50 UG/L 250821-0147 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 10-19-2025 < 1 5 UG/L 250821-0147 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 10-19-2025 < 1 5 1 UG/L 250821-0147 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 10-19-2025 < 1 10 2 UG/L 250821-0147 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 10-19-2025 1.4 1 50 5 UG/L 250821-0147 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 10-19-2025 < 50 1000 50 UG/L 250821-0147 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 10-19-2025 < 1 5000 UG/L 250821-0147 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 10-12-2025 2.3 1 20 1 PCI/L 250814-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 10-12-2025 < 1 UG/L 250814-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 10-12-2025 < 1 4 1 UG/L 250814-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 10-12-2025 < 1 100 10 UG/L 250814-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 10-12-2025 < 1 1000 50 UG/L 250814-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 10-12-2025 3.3 1 50 10 UG/L 250814-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 10-12-2025 < 1 6 6 UG/L 250814-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 10-12-2025 < 1 50 UG/L 250814-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 10-12-2025 < 1 5 1 UG/L 250814-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 10-12-2025 < 1 10 2 UG/L 250814-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 10-12-2025 1.1 1 50 5 UG/L 250814-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 10-12-2025 < 1 5000 UG/L 250814-0425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 10-05-2025 < 1 5000 UG/L 250807-1440 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 10-05-2025 < 50 1000 50 UG/L 250807-1440 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 10-05-2025 < 1 1000 50 UG/L 250807-1440 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 10-05-2025 3.5 1 50 10 UG/L 250807-1440 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 10-05-2025 < 1 UG/L 250807-1440 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 10-05-2025 < 1 2 1 UG/L 250807-1440 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 10-05-2025 < 1 5 1 UG/L 250807-1440 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 10-05-2025 < 1 100 10 UG/L 250807-1440 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 10-05-2025 < 1 10 2 UG/L 250807-1440 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 10-05-2025 < 1 50 UG/L 250807-1440 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 10-05-2025 < 1 4 1 UG/L 250807-1440 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 10-05-2025 < 1 5 UG/L 250807-1440 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 10-05-2025 2.2 1 20 1 PCI/L 250807-1440 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 10-05-2025 1.2 1 50 5 UG/L 250807-1440 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 09-28-2025 < 1 5000 UG/L 250731-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 09-28-2025 < 50 1000 50 UG/L 250731-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 09-28-2025 < 1 1000 50 UG/L 250731-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 09-28-2025 3.5 1 50 10 UG/L 250731-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 09-28-2025 < 1 UG/L 250731-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 09-28-2025 < 1 2 1 UG/L 250731-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 09-28-2025 < 1 5 1 UG/L 250731-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 09-28-2025 < 1 100 10 UG/L 250731-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 09-28-2025 < 1 10 2 UG/L 250731-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 09-28-2025 < 1 50 UG/L 250731-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 09-28-2025 < 1 4 1 UG/L 250731-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 09-28-2025 < 1 6 6 UG/L 250731-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 09-28-2025 1.3 1 50 5 UG/L 250731-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 09-21-2025 < 1 5 UG/L 250724-0138 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 09-21-2025 1.5 1 50 5 UG/L 250724-0138 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 09-21-2025 3.9 1 50 10 UG/L 250724-0138 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 09-21-2025 < 1 10 2 UG/L 250724-0138 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 09-21-2025 < 50 1000 50 UG/L 250724-0138 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 09-21-2025 < 1 5 1 UG/L 250724-0138 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 09-21-2025 1.1 1 1000 50 UG/L 250724-0138 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 09-21-2025 1.2 1 5000 UG/L 250724-0138 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 09-21-2025 < 1 2 1 UG/L 250724-0138 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 09-21-2025 1.6 1 100 10 UG/L 250724-0138 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 09-21-2025 < 1 4 1 UG/L 250724-0138 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 09-21-2025 < 1 6 6 UG/L 250724-0138 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 09-14-2025 < 1 5 UG/L 250717-0131 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 09-14-2025 1.0 1 50 5 UG/L 250717-0131 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 09-14-2025 3.3 1 50 10 UG/L 250717-0131 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 09-14-2025 < 1 10 2 UG/L 250717-0131 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 09-14-2025 < 50 1000 50 UG/L 250717-0131 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 09-14-2025 < 1 5 1 UG/L 250717-0131 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 09-14-2025 < 1 1000 50 UG/L 250717-0131 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 09-14-2025 < 1 5000 UG/L 250717-0131 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 09-14-2025 < 1 2 1 UG/L 250717-0131 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 09-14-2025 2.4 1 20 1 PCI/L 250717-0131 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 09-14-2025 < 1 100 10 UG/L 250717-0131 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 09-14-2025 < 1 50 UG/L 250717-0131 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 09-14-2025 < 1 4 1 UG/L 250717-0131 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 09-14-2025 < 1 6 6 UG/L 250717-0131 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 09-07-2025 < 1 5 1 UG/L 250710-0410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 09-07-2025 < 1 10 2 UG/L 250710-0410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 09-07-2025 2.5 1 20 1 PCI/L 250710-0410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 09-07-2025 < 50 1000 50 UG/L 250710-0410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 09-07-2025 < 1 50 UG/L 250710-0410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 09-07-2025 < 1 5 UG/L 250710-0410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 09-07-2025 < 1 6 6 UG/L 250710-0410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 09-07-2025 < 1 5000 UG/L 250710-0410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 09-07-2025 1.2 1 50 5 UG/L 250710-0410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 09-07-2025 < 1 1000 50 UG/L 250710-0410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 09-07-2025 3.7 1 50 10 UG/L 250710-0410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 09-07-2025 < 1 2 1 UG/L 250710-0410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 09-07-2025 < 1 4 1 UG/L 250710-0410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 09-07-2025 < 1 100 10 UG/L 250710-0410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 08-31-2025 < 1 5 1 UG/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 08-31-2025 < 1 10 2 UG/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 08-31-2025 2.3 1 20 1 PCI/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 08-31-2025 < 50 1000 50 UG/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 08-31-2025 < 1 50 UG/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 08-31-2025 < 1 5 UG/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 08-31-2025 < 1 6 6 UG/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 08-31-2025 < 1 5000 UG/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 08-31-2025 1.2 1 50 5 UG/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 08-31-2025 < 1 UG/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 08-31-2025 < 1 1000 50 UG/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 08-31-2025 3.6 1 50 10 UG/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 08-31-2025 < 1 2 1 UG/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 08-31-2025 < 1 4 1 UG/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 08-31-2025 < 1 100 10 UG/L 250703-1354 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 08-24-2025 < 1 5 UG/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 08-24-2025 2.4 1 20 1 PCI/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 08-24-2025 1.1 1 50 5 UG/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 08-24-2025 3.1 1 50 10 UG/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 08-24-2025 < 1 5 1 UG/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 08-24-2025 < 1 10 2 UG/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 08-24-2025 < 50 1000 50 UG/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 08-24-2025 < 1 5000 UG/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 08-24-2025 < 1 UG/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 08-24-2025 < 1 1000 50 UG/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 08-24-2025 < 1 50 UG/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 08-24-2025 < 1 2 1 UG/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 08-24-2025 < 1 100 10 UG/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 08-24-2025 < 1 4 1 UG/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 08-24-2025 < 1 6 6 UG/L 250626-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 08-17-2025 < 1 5 UG/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 08-17-2025 2.4 1 20 1 PCI/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 08-17-2025 1.1 1 50 5 UG/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 08-17-2025 < 1 5 1 UG/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 08-17-2025 < 1 10 2 UG/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 08-17-2025 < 50 1000 50 UG/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 08-17-2025 < 1 5000 UG/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 08-17-2025 < 1 UG/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 08-17-2025 < 1 1000 50 UG/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 08-17-2025 3.5 1 50 10 UG/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 08-17-2025 < 1 2 1 UG/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 08-17-2025 < 1 100 10 UG/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 08-17-2025 < 1 4 1 UG/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 08-17-2025 < 1 6 6 UG/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 08-17-2025 < 1 50 UG/L 250619-0145 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 08-10-2025 2.3 1 20 1 PCI/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 08-10-2025 14.2 1 1000 50 UG/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 08-10-2025 3.6 1 50 10 UG/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 08-10-2025 2.3 1 5000 UG/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 08-10-2025 < 1 UG/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 08-10-2025 < 1 6 6 UG/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 08-10-2025 < 1 5 1 UG/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 08-10-2025 < 1 10 2 UG/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 08-10-2025 1.9 1 100 10 UG/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 08-10-2025 < 1 5 UG/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 08-10-2025 < 1 2 1 UG/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 08-10-2025 < 1 4 1 UG/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 08-10-2025 < 50 1000 50 UG/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 08-10-2025 1.1 1 50 5 UG/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 08-10-2025 < 1 50 UG/L 250612-0408 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 08-03-2025 2.4 1 20 1 PCI/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 08-03-2025 6.1 1 1000 50 UG/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 08-03-2025 3.6 1 50 10 UG/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 08-03-2025 1.3 1 5000 UG/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 08-03-2025 < 1 UG/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 08-03-2025 < 1 6 6 UG/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 08-03-2025 < 1 5 1 UG/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 08-03-2025 < 1 10 2 UG/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 08-03-2025 1.2 1 100 10 UG/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 08-03-2025 < 1 5 UG/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 08-03-2025 < 1 2 1 UG/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 08-03-2025 < 1 4 1 UG/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 08-03-2025 < 50 1000 50 UG/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 08-03-2025 1.2 1 50 5 UG/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 08-03-2025 < 1 50 UG/L 250605-1410 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 07-27-2025 1.8 1 1000 50 UG/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 07-27-2025 2.1 1 20 1 PCI/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 07-27-2025 1.4 1 100 10 UG/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 07-27-2025 < 1 50 UG/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 07-27-2025 < 1 5 UG/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 07-27-2025 3.1 1 50 10 UG/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 07-27-2025 < 1 4 1 UG/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 07-27-2025 < 1 6 6 UG/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 07-27-2025 < 1 5 1 UG/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 07-27-2025 < 1 10 2 UG/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 07-27-2025 1.4 1 5000 UG/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 07-27-2025 < 1 UG/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 07-27-2025 < 1 2 1 UG/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 07-27-2025 < 1 50 5 UG/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 07-27-2025 < 50 1000 50 UG/L 250529-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 07-23-2025 3.0 1 1000 50 UG/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 07-23-2025 2.2 1 20 1 PCI/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 07-23-2025 1.0 1 100 10 UG/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 07-23-2025 < 1 50 UG/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 07-23-2025 < 1 5 UG/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 07-23-2025 2.8 1 50 10 UG/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 07-23-2025 < 1 4 1 UG/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 07-23-2025 < 1 6 6 UG/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 07-23-2025 < 1 5 1 UG/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 07-23-2025 < 1 10 2 UG/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 07-23-2025 < 1 50 5 UG/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 07-23-2025 1.6 1 5000 UG/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 07-23-2025 < 1 UG/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 07-23-2025 < 1 2 1 UG/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 07-23-2025 < 50 1000 50 UG/L 250522-0149 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 04-01-2025 < 1 6 6 UG/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 04-01-2025 1.1 1 50 5 UG/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 04-01-2025 < 1 UG/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 04-01-2025 < 1 2 1 UG/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 04-01-2025 < 1 4 1 UG/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 04-01-2025 < 1 100 10 UG/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 04-01-2025 < 1 5 UG/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 04-01-2025 2.2 1 5000 UG/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 04-01-2025 < 1 5 1 UG/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 04-01-2025 < 1 10 2 UG/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 04-01-2025 2.1 1 20 1 PCI/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 04-01-2025 < 50 1000 50 UG/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 04-01-2025 < 1 50 UG/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 04-01-2025 1.1 1 1000 50 UG/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 04-01-2025 3.3 1 50 10 UG/L 250130-0113 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 03-23-2025 < 1 10 2 UG/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 03-23-2025 < 50 1000 50 UG/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 03-23-2025 1.9 1 20 1 PCI/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 03-23-2025 < 1 4 1 UG/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 03-23-2025 < 1 6 6 UG/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 03-23-2025 15.8 1 1000 50 UG/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 03-23-2025 2.8 1 50 10 UG/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 03-23-2025 < 1 5 1 UG/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 03-23-2025 10.7 1 5000 UG/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 03-23-2025 < 1 UG/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 03-23-2025 < 1 2 1 UG/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 03-23-2025 < 1 5 UG/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 03-23-2025 2.2 1 100 10 UG/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 03-23-2025 < 1 50 UG/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 03-23-2025 1.0 1 50 5 UG/L 250123-0126 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 03-16-2025 < 1 10 2 UG/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 03-16-2025 < 50 1000 50 UG/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 03-16-2025 1.9 1 20 1 PCI/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 03-16-2025 < 1 4 1 UG/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 03-16-2025 < 1 6 6 UG/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 03-16-2025 1.9 1 50 10 UG/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 03-16-2025 < 1 5 1 UG/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 03-16-2025 2.3 1 5000 UG/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 03-16-2025 < 1 UG/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 03-16-2025 < 1 2 1 UG/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 03-16-2025 < 1 5 UG/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 03-16-2025 3.6 1 1000 50 UG/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 03-16-2025 < 1 100 10 UG/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 03-16-2025 < 1 50 UG/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 03-16-2025 1.2 1 50 5 UG/L 250116-0150 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 03-09-2025 7.9 2 10 2 UG/L AIC1737-01 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 03-09-2025 < 2 10 2 UG/L AIC1737-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
4006 COMBINED URANIUM 03-06-2025 1.9 1 20 1 PCI/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 03-06-2025 5.5 1 5000 UG/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 03-06-2025 < 1 UG/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 03-06-2025 < 1 2 1 UG/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 03-06-2025 29.5 1 1000 50 UG/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 03-06-2025 2.8 1 50 10 UG/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 03-06-2025 < 1 5 1 UG/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 03-06-2025 5.2 1 100 10 UG/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 03-06-2025 < 1 50 UG/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 03-06-2025 < 1 4 1 UG/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 03-06-2025 < 1 6 6 UG/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 03-06-2025 < 1 10 2 UG/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 03-06-2025 < 50 1000 50 UG/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 03-06-2025 < 1 5 UG/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 03-06-2025 1.0 1 50 5 UG/L 250102-1367 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 02-23-2025 < 1 1000 50 UG/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 02-23-2025 3.0 1 50 10 UG/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 02-23-2025 < 1 4 1 UG/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 02-23-2025 < 1 6 6 UG/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 02-23-2025 < 1 5 UG/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 02-23-2025 1.0 1 5000 UG/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 02-23-2025 < 1 UG/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 02-23-2025 < 1 50 5 UG/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 02-23-2025 < 1 10 2 UG/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 02-23-2025 < 50 1000 50 UG/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 02-23-2025 < 1 2 1 UG/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 02-23-2025 < 1 100 10 UG/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 02-23-2025 < 1 5 1 UG/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 02-23-2025 1.9 1 20 1 PCI/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 02-23-2025 < 1 50 UG/L 241226-0111 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 02-16-2025 < 1 1000 50 UG/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 02-16-2025 3.0 1 50 10 UG/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 02-16-2025 < 1 4 1 UG/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 02-16-2025 < 1 6 6 UG/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 02-16-2025 < 1 5 UG/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 02-16-2025 1.1 1 5000 UG/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 02-16-2025 < 1 UG/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 02-16-2025 < 1 10 2 UG/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 02-16-2025 < 50 1000 50 UG/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 02-16-2025 < 1 2 1 UG/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 02-16-2025 < 1 100 10 UG/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 02-16-2025 < 1 5 1 UG/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 02-16-2025 2.0 1 20 1 PCI/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 02-16-2025 < 1 50 UG/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 02-16-2025 1.0 1 50 5 UG/L 241219-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 02-09-2025 < 2 10 2 UG/L AIB1329-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 02-02-2025 < 2 10 2 UG/L AIB0090-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1002 ALUMINUM 01-26-2025 < 50 1000 50 UG/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 01-26-2025 4.1 1 50 10 UG/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 01-26-2025 < 1 5 UG/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 01-26-2025 1.2 1 50 5 UG/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 01-26-2025 < 1 2 1 UG/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 01-26-2025 < 1 4 1 UG/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 01-26-2025 2.2 1 20 1 PCI/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 01-26-2025 < 1 6 6 UG/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 01-26-2025 < 1 10 2 UG/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 01-26-2025 1.5 1 1000 50 UG/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 01-26-2025 < 1 50 UG/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 01-26-2025 1.1 1 100 10 UG/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 01-26-2025 < 1 5 1 UG/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 01-26-2025 7.3 1 5000 UG/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 01-26-2025 < 1 UG/L 241128-0105 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 01-19-2025 < 50 1000 50 UG/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 01-19-2025 3.3 1 50 10 UG/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 01-19-2025 < 1 5 UG/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 01-19-2025 1.1 1 50 5 UG/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 01-19-2025 < 1 2 1 UG/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 01-19-2025 < 1 4 1 UG/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 01-19-2025 2.0 1 20 1 PCI/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 01-19-2025 < 1 6 6 UG/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 01-19-2025 < 1 10 2 UG/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 01-19-2025 14.4 1 1000 50 UG/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 01-19-2025 < 1 50 UG/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 01-19-2025 < 1 100 10 UG/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 01-19-2025 < 1 5 1 UG/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 01-19-2025 2.0 1 5000 UG/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 01-19-2025 < 1 UG/L 241121-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 01-12-2025 < 50 1000 50 UG/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 01-12-2025 2.5 1 50 10 UG/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 01-12-2025 < 1 5 UG/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 01-12-2025 < 1 50 5 UG/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 01-12-2025 < 1 2 1 UG/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 01-12-2025 < 1 4 1 UG/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 01-12-2025 1.9 1 20 1 PCI/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 01-12-2025 < 1 6 6 UG/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 01-12-2025 < 1 10 2 UG/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 01-12-2025 1.1 1 1000 50 UG/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 01-12-2025 < 1 50 UG/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 01-12-2025 1.8 1 5000 UG/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 01-12-2025 < 1 100 10 UG/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 01-12-2025 < 1 5 1 UG/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 01-12-2025 < 1 UG/L 241114-0465 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 01-05-2025 < 2 10 2 UG/L AIA0863-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1002 ALUMINUM 12-29-2024 < 50 1000 50 UG/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 12-29-2024 3.4 1 50 10 UG/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 12-29-2024 < 1 5 UG/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 12-29-2024 1.0 1 50 5 UG/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 12-29-2024 < 1 2 1 UG/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 12-29-2024 2.1 1 20 1 PCI/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 12-29-2024 < 1 4 1 UG/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 12-29-2024 < 1 6 6 UG/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 12-29-2024 < 1 10 2 UG/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 12-29-2024 < 1 1000 50 UG/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 12-29-2024 < 1 50 UG/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 12-29-2024 < 1 5000 UG/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 12-29-2024 < 1 100 10 UG/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 12-29-2024 < 1 5 1 UG/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 12-29-2024 < 1 UG/L 241031-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 12-22-2024 < 1 100 10 UG/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 12-22-2024 < 1 10 2 UG/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 12-22-2024 < 1 50 UG/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 12-22-2024 < 1 1000 50 UG/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 12-22-2024 3.2 1 50 10 UG/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 12-22-2024 < 1 5000 UG/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 12-22-2024 < 1 4 1 UG/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 12-22-2024 < 1 5 1 UG/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 12-22-2024 2.1 1 20 1 PCI/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 12-22-2024 < 1 UG/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 12-22-2024 < 1 2 1 UG/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 12-22-2024 1.1 1 50 5 UG/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 12-22-2024 < 1 5 UG/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 12-22-2024 < 50 1000 50 UG/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 12-22-2024 < 1 6 6 UG/L 241024-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 12-15-2024 < 1 100 10 UG/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 12-15-2024 < 1 10 2 UG/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 12-15-2024 < 1 50 UG/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 12-15-2024 < 1 1000 50 UG/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 12-15-2024 2.3 1 50 10 UG/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 12-15-2024 < 1 5000 UG/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 12-15-2024 < 1 4 1 UG/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 12-15-2024 < 1 5 1 UG/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 12-15-2024 2.2 1 20 1 PCI/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 12-15-2024 < 1 UG/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 12-15-2024 < 1 2 1 UG/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 12-15-2024 < 1 50 5 UG/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 12-15-2024 < 1 5 UG/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 12-15-2024 < 50 1000 50 UG/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 12-15-2024 < 1 6 6 UG/L 241017-0125 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 12-08-2024 < 2 10 2 UG/L AHL1204-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1036 NICKEL 12-01-2024 1.2 1 100 10 UG/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 12-01-2024 < 1 50 UG/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 12-01-2024 < 1 10 2 UG/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 12-01-2024 1.1 1 1000 50 UG/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 12-01-2024 2.9 1 50 10 UG/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 12-01-2024 2.6 1 5000 UG/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 12-01-2024 < 1 4 1 UG/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 12-01-2024 < 1 5 1 UG/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 12-01-2024 2.0 1 20 1 PCI/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 12-01-2024 < 1 UG/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 12-01-2024 < 1 2 1 UG/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 12-01-2024 1.0 1 50 5 UG/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 12-01-2024 < 1 5 UG/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 12-01-2024 < 50 1000 50 UG/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 12-01-2024 < 1 6 6 UG/L 241003-1296 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 11-24-2024 2.1 1 20 1 PCI/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 11-24-2024 < 1 5 UG/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 11-24-2024 < 1 10 2 UG/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 11-24-2024 < 50 1000 50 UG/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 11-24-2024 < 1 2 1 UG/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 11-24-2024 < 1 4 1 UG/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 11-24-2024 < 1 6 6 UG/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 11-24-2024 1.0 1 1000 50 UG/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 11-24-2024 1.2 1 100 10 UG/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 11-24-2024 2.8 1 50 10 UG/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 11-24-2024 < 1 50 UG/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 11-24-2024 1.0 1 50 5 UG/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 11-24-2024 < 1 5 1 UG/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 11-24-2024 < 1 UG/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 11-24-2024 2.4 1 5000 UG/L 240926-0115 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 11-17-2024 < 1 10 2 UG/L 240919-0141 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 11-17-2024 1.0 1 50 5 UG/L 240919-0141 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 11-14-2024 < 2 10 2 UG/L AHK2417-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 11-03-2024 < 2 10 2 UG/L AHK0330-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1015 CADMIUM 10-27-2024 < 1 5 1 UG/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 10-27-2024 < 1 6 6 UG/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 10-27-2024 1.0 1 100 10 UG/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 10-27-2024 < 1 1000 50 UG/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 10-27-2024 < 1 2 1 UG/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 10-27-2024 < 1 10 2 UG/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 10-27-2024 < 1 5 UG/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 10-27-2024 3.0 1 50 10 UG/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 10-27-2024 2.3 1 20 1 PCI/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 10-27-2024 < 1 4 1 UG/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 10-27-2024 < 1 50 UG/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 10-27-2024 < 50 1000 50 UG/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 10-27-2024 1.0 1 50 5 UG/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 10-27-2024 < 1 5000 UG/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 10-27-2024 < 1 UG/L 240829-0114 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 10-20-2024 < 1 5 1 UG/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 10-20-2024 < 1 6 6 UG/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 10-20-2024 2.6 1 100 10 UG/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 10-20-2024 4.5 1 1000 50 UG/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 10-20-2024 < 1 2 1 UG/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 10-20-2024 < 1 10 2 UG/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 10-20-2024 < 1 5 UG/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 10-20-2024 2.9 1 50 10 UG/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 10-20-2024 2.4 1 20 1 PCI/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 10-20-2024 < 1 4 1 UG/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 10-20-2024 < 1 50 UG/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 10-20-2024 < 50 1000 50 UG/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 10-20-2024 1.1 1 50 5 UG/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 10-20-2024 2.4 1 5000 UG/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 10-20-2024 < 1 UG/L 240822-0157 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 10-13-2024 < 2 10 2 UG/L AHJ2548-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1015 CADMIUM 10-06-2024 < 1 5 1 UG/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 10-06-2024 < 1 6 6 UG/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 10-06-2024 2.8 1 100 10 UG/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 10-06-2024 17.0 1 1000 50 UG/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 10-06-2024 < 1 2 1 UG/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 10-06-2024 < 1 10 2 UG/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 10-06-2024 2.6 1 50 10 UG/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 10-06-2024 2.3 1 20 1 PCI/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 10-06-2024 < 1 4 1 UG/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 10-06-2024 < 1 50 UG/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 10-06-2024 < 50 1000 50 UG/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 10-06-2024 < 1 50 5 UG/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 10-06-2024 < 1 5 UG/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 10-06-2024 6.2 1 5000 UG/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 10-06-2024 < 1 UG/L 240808-1450 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 09-29-2024 < 1 5 1 UG/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 09-29-2024 < 1 6 6 UG/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 09-29-2024 2.6 1 100 10 UG/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 09-29-2024 4.7 1 1000 50 UG/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 09-29-2024 < 1 2 1 UG/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 09-29-2024 2.1 1 5000 UG/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 09-29-2024 < 1 10 2 UG/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 09-29-2024 2.7 1 50 10 UG/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 09-29-2024 2.3 1 20 1 PCI/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 09-29-2024 < 1 4 1 UG/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 09-29-2024 < 1 50 UG/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 09-29-2024 < 50 1000 50 UG/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 09-29-2024 1.1 1 50 5 UG/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 09-29-2024 < 1 5 UG/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 09-29-2024 < 1 UG/L 240801-0108 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 09-22-2024 < 1 1000 50 UG/L 240725-0118 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 09-22-2024 < 1 6 6 UG/L 240725-0118 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 09-22-2024 1.0 1 100 10 UG/L 240725-0118 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 09-22-2024 < 1 5000 UG/L 240725-0118 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 09-22-2024 < 1 UG/L 240725-0118 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 09-22-2024 2.8 1 50 10 UG/L 240725-0118 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 09-22-2024 1.0 1 50 5 UG/L 240725-0118 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 09-22-2024 < 1 50 UG/L 240725-0118 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 09-22-2024 < 1 2 1 UG/L 240725-0118 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 09-22-2024 < 1 5 1 UG/L 240725-0118 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 09-22-2024 < 1 5 UG/L 240725-0118 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 09-22-2024 < 1 10 2 UG/L 240725-0118 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 09-22-2024 < 50 1000 50 UG/L 240725-0118 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 09-22-2024 < 1 4 1 UG/L 240725-0118 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 09-15-2024 80.2 1 1000 50 UG/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 09-15-2024 < 1 6 6 UG/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 09-15-2024 6.8 1 100 10 UG/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 09-15-2024 2.3 1 20 1 PCI/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 09-15-2024 48.1 1 5000 UG/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 09-15-2024 < 1 UG/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 09-15-2024 3.0 1 50 10 UG/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 09-15-2024 1.0 1 50 5 UG/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 09-15-2024 < 1 50 UG/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 09-15-2024 < 1 2 1 UG/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 09-15-2024 < 1 5 1 UG/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 09-15-2024 < 1 5 UG/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 09-15-2024 < 1 10 2 UG/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 09-15-2024 < 50 1000 50 UG/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 09-15-2024 < 1 4 1 UG/L 240718-0135 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 09-08-2024 < 1 1000 50 UG/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 09-08-2024 < 1 6 6 UG/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 09-08-2024 1.3 1 100 10 UG/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 09-08-2024 2.3 1 20 1 PCI/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 09-08-2024 < 1 5000 UG/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 09-08-2024 < 1 UG/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 09-08-2024 2.8 1 50 10 UG/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 09-08-2024 1.0 1 50 5 UG/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 09-08-2024 < 1 50 UG/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 09-08-2024 < 1 2 1 UG/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 09-08-2024 < 1 5 1 UG/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 09-08-2024 < 1 5 UG/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 09-08-2024 < 1 10 2 UG/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 09-08-2024 < 50 1000 50 UG/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 09-08-2024 < 1 4 1 UG/L 240711-0423 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 09-02-2024 1.4 1 1000 50 UG/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 09-02-2024 < 1 6 6 UG/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 09-02-2024 2.0 1 100 10 UG/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 09-02-2024 2.1 1 20 1 PCI/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 09-02-2024 1.2 1 5000 UG/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 09-02-2024 < 1 UG/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 09-02-2024 2.4 1 50 10 UG/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 09-02-2024 1.1 1 50 5 UG/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 09-02-2024 < 1 50 UG/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 09-02-2024 < 1 2 1 UG/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 09-02-2024 < 1 5 1 UG/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 09-02-2024 < 1 5 UG/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 09-02-2024 < 1 10 2 UG/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 09-02-2024 < 50 1000 50 UG/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 09-02-2024 < 1 4 1 UG/L 240704-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 08-25-2024 2.2 1 20 1 PCI/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 08-25-2024 < 1 5 UG/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 08-25-2024 < 1 1000 50 UG/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 08-25-2024 < 1 50 UG/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 08-25-2024 < 1 2 1 UG/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 08-25-2024 < 1 4 1 UG/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 08-25-2024 < 1 6 6 UG/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 08-25-2024 2.9 1 50 10 UG/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 08-25-2024 < 1 10 2 UG/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 08-25-2024 < 1 100 10 UG/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 08-25-2024 < 1 5 1 UG/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 08-25-2024 < 50 1000 50 UG/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 08-25-2024 < 1 5000 UG/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 08-25-2024 < 1 UG/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 08-25-2024 1.0 1 50 5 UG/L 240627-0121 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 08-18-2024 2.1 1 20 1 PCI/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 08-18-2024 < 1 5 UG/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 08-18-2024 < 1 1000 50 UG/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 08-18-2024 < 1 50 UG/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 08-18-2024 < 1 2 1 UG/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 08-18-2024 < 1 4 1 UG/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 08-18-2024 < 1 6 6 UG/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 08-18-2024 2.9 1 50 10 UG/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 08-18-2024 < 1 10 2 UG/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 08-18-2024 < 1 100 10 UG/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 08-18-2024 < 1 5 1 UG/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 08-18-2024 < 50 1000 50 UG/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 08-18-2024 < 1 5000 UG/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 08-18-2024 < 1 UG/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 08-18-2024 1.0 1 50 5 UG/L 240620-0140 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 08-11-2024 2.0 1 20 1 PCI/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 08-11-2024 < 1 5 UG/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 08-11-2024 < 1 1000 50 UG/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 08-11-2024 < 1 50 UG/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 08-11-2024 < 1 2 1 UG/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 08-11-2024 < 1 4 1 UG/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 08-11-2024 < 1 6 6 UG/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 08-11-2024 3.1 1 50 10 UG/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 08-11-2024 < 1 10 2 UG/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 08-11-2024 < 1 100 10 UG/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 08-11-2024 < 1 5 1 UG/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 08-11-2024 < 50 1000 50 UG/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 08-11-2024 < 1 5000 UG/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 08-11-2024 < 1 UG/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 08-11-2024 < 1 50 5 UG/L 240613-0422 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 08-04-2024 2.0 1 20 1 PCI/L 240606-1425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 08-04-2024 < 1 5 UG/L 240606-1425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 08-04-2024 < 1 1000 50 UG/L 240606-1425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 08-04-2024 3.0 1 50 10 UG/L 240606-1425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 08-04-2024 < 1 2 1 UG/L 240606-1425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 08-04-2024 < 1 4 1 UG/L 240606-1425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 08-04-2024 < 1 6 6 UG/L 240606-1425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 08-04-2024 < 1 10 2 UG/L 240606-1425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 08-04-2024 < 1 100 10 UG/L 240606-1425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 08-04-2024 < 1 5 1 UG/L 240606-1425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 08-04-2024 < 50 1000 50 UG/L 240606-1425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 08-04-2024 < 1 UG/L 240606-1425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 08-04-2024 1.1 1 50 5 UG/L 240606-1425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 08-04-2024 < 1 50 UG/L 240606-1425 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 07-28-2024 < 1 5 UG/L 240530-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 07-28-2024 < 1 50 5 UG/L 240530-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 07-28-2024 < 1 2 1 UG/L 240530-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 07-28-2024 < 1 4 1 UG/L 240530-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 07-28-2024 < 1 6 6 UG/L 240530-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 07-28-2024 < 1 10 2 UG/L 240530-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 07-28-2024 < 50 1000 50 UG/L 240530-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 07-28-2024 2.7 1 50 10 UG/L 240530-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 07-28-2024 < 1 50 UG/L 240530-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 07-28-2024 < 1 5000 UG/L 240530-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 07-28-2024 < 1 UG/L 240530-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 07-28-2024 < 1 5 1 UG/L 240530-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 07-28-2024 1.3 1 1000 50 UG/L 240530-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 07-28-2024 1.3 1 100 10 UG/L 240530-0130 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 07-21-2024 1.0 1 50 5 UG/L 240523-0122 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 07-21-2024 < 1 2 1 UG/L 240523-0122 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 07-21-2024 < 1 4 1 UG/L 240523-0122 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 07-21-2024 < 1 10 2 UG/L 240523-0122 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 07-21-2024 < 50 1000 50 UG/L 240523-0122 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 07-21-2024 < 1 50 UG/L 240523-0122 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 07-21-2024 < 1 5000 UG/L 240523-0122 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 07-21-2024 < 1 UG/L 240523-0122 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 07-21-2024 < 1 5 1 UG/L 240523-0122 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 07-14-2024 < 1 5 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 07-14-2024 1.0 1 50 5 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 07-14-2024 1.9 1 20 1 PCI/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 07-14-2024 < 1 2 1 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 07-14-2024 < 1 4 1 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 07-14-2024 < 1 6 6 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1010 BARIUM 07-14-2024 89.2 1 1000 100 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 07-14-2024 < 1 10 2 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 07-14-2024 < 1 50 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 07-14-2024 < 50 1000 50 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 07-14-2024 3.0 1 50 10 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 07-14-2024 < 1 5000 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 07-14-2024 < 1 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 07-14-2024 < 1 5 1 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 07-14-2024 1.8 1 1000 50 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 07-14-2024 < 1 100 10 UG/L 240516-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 07-07-2024 < 1 5 UG/L 240509-0466 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 07-07-2024 1.0 1 50 5 UG/L 240509-0466 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 07-07-2024 1.8 1 20 1 PCI/L 240509-0466 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 07-07-2024 < 1 2 1 UG/L 240509-0466 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 07-07-2024 < 1 4 1 UG/L 240509-0466 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 07-07-2024 < 1 6 6 UG/L 240509-0466 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 07-07-2024 < 1 10 2 UG/L 240509-0466 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 07-07-2024 < 1 50 UG/L 240509-0466 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 07-07-2024 3.4 1 50 10 UG/L 240509-0466 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 07-07-2024 < 1 5000 UG/L 240509-0466 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 07-07-2024 < 1 UG/L 240509-0466 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 07-07-2024 < 1 5 1 UG/L 240509-0466 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 07-07-2024 < 1 1000 50 UG/L 240509-0466 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 07-07-2024 < 1 100 10 UG/L 240509-0466 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 06-30-2024 < 1 5 UG/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 06-30-2024 1.0 1 50 5 UG/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 06-30-2024 < 1 2 1 UG/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 06-30-2024 < 1 6 6 UG/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 06-30-2024 < 1 10 2 UG/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 06-30-2024 < 1 50 UG/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 06-30-2024 < 50 1000 50 UG/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 06-30-2024 2.7 1 50 10 UG/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 06-30-2024 < 1 4 1 UG/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 06-30-2024 < 1 5000 UG/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 06-30-2024 < 1 UG/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 06-30-2024 1.7 1 20 1 PCI/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 06-30-2024 < 1 5 1 UG/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 06-30-2024 < 1 1000 50 UG/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 06-30-2024 < 1 100 10 UG/L 240502-1509 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 06-23-2024 < 1 5000 UG/L 240425-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 06-23-2024 < 1 5 UG/L 240425-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 06-23-2024 < 1 1000 50 UG/L 240425-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 06-23-2024 < 50 1000 50 UG/L 240425-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 06-23-2024 < 1 4 1 UG/L 240425-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 06-23-2024 < 1 100 10 UG/L 240425-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 06-23-2024 1.7 1 20 1 PCI/L 240425-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 06-23-2024 2.8 1 50 10 UG/L 240425-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 06-23-2024 < 1 50 UG/L 240425-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 06-23-2024 < 1 2 1 UG/L 240425-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 06-23-2024 < 1 10 2 UG/L 240425-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 06-23-2024 < 1 50 5 UG/L 240425-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 06-16-2024 < 1 5000 UG/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 06-16-2024 < 1 5 UG/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 06-16-2024 1.3 1 1000 50 UG/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 06-16-2024 < 50 1000 50 UG/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 06-16-2024 < 1 4 1 UG/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 06-16-2024 < 1 100 10 UG/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 06-16-2024 1.7 1 20 1 PCI/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 06-16-2024 2.6 1 50 10 UG/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 06-16-2024 < 1 UG/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 06-16-2024 < 1 6 6 UG/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 06-16-2024 < 1 5 1 UG/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 06-16-2024 < 1 50 UG/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 06-16-2024 < 1 2 1 UG/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 06-16-2024 < 1 10 2 UG/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 06-16-2024 1.0 1 50 5 UG/L 240418-0136 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 06-09-2024 < 1 5000 UG/L 240411-0437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 06-09-2024 1.3 1 1000 50 UG/L 240411-0437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 06-09-2024 < 1 5 UG/L 240411-0437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 06-09-2024 < 50 1000 50 UG/L 240411-0437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 06-09-2024 < 1 4 1 UG/L 240411-0437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 06-09-2024 < 1 100 10 UG/L 240411-0437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 06-09-2024 2.8 1 50 10 UG/L 240411-0437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 06-09-2024 < 1 UG/L 240411-0437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 06-09-2024 < 1 6 6 UG/L 240411-0437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 06-09-2024 < 1 5 1 UG/L 240411-0437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 06-09-2024 < 1 50 UG/L 240411-0437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 06-09-2024 < 1 2 1 UG/L 240411-0437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 06-09-2024 < 1 10 2 UG/L 240411-0437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 06-09-2024 1.7 1 20 1 PCI/L 240411-0437 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 06-02-2024 2.5 1 5000 UG/L 240404-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 06-02-2024 1.0 1 100 10 UG/L 240404-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 06-02-2024 22.0 1 1000 50 UG/L 240404-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 06-02-2024 < 1 5 UG/L 240404-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 06-02-2024 < 50 1000 50 UG/L 240404-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 06-02-2024 < 1 4 1 UG/L 240404-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 06-02-2024 < 1 6 6 UG/L 240404-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 06-02-2024 3.0 1 50 10 UG/L 240404-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 06-02-2024 < 1 UG/L 240404-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 06-02-2024 < 1 5 1 UG/L 240404-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 06-02-2024 < 1 50 UG/L 240404-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 06-02-2024 < 1 2 1 UG/L 240404-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 06-02-2024 < 1 10 2 UG/L 240404-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 06-02-2024 < 1 50 5 UG/L 240404-1365 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 05-26-2024 < 1 100 10 UG/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 05-26-2024 1.0 1 50 5 UG/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 05-26-2024 3.7 1 5000 UG/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 05-26-2024 4.6 1 10 2 UG/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 05-26-2024 < 50 1000 50 UG/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 05-26-2024 6.7 1 UG/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 05-26-2024 2.0 1 20 1 PCI/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 05-26-2024 < 1 2 1 UG/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 05-26-2024 < 1 50 UG/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 05-26-2024 10.4 1 1000 50 UG/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 05-26-2024 < 1 4 1 UG/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 05-26-2024 < 1 5 UG/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 05-26-2024 2.8 1 50 10 UG/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 05-26-2024 < 1 5 1 UG/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 05-26-2024 < 1 6 6 UG/L 240328-0132 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 05-23-2024 1.8 1 100 10 UG/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 05-23-2024 < 1 50 5 UG/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 05-23-2024 4.8 1 5000 UG/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 05-23-2024 < 50 1000 50 UG/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 05-23-2024 < 1 UG/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 05-23-2024 1.7 1 20 1 PCI/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 05-23-2024 < 1 2 1 UG/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 05-23-2024 < 1 50 UG/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 05-23-2024 2.0 1 1000 50 UG/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 05-23-2024 < 1 4 1 UG/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 05-23-2024 < 1 5 UG/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 05-23-2024 3.0 1 50 10 UG/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 05-23-2024 < 1 5 1 UG/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 05-23-2024 < 1 6 6 UG/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 05-23-2024 < 1 10 2 UG/L 240321-0162 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 03-29-2024 < 1 10 2 UG/L 2403539-02 ZALCO LABORATORIES, INC. 2791 EPA 200.8
1030 LEAD 03-24-2024 < 1 5 UG/L 240125-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 03-24-2024 6.2 1 1000 50 UG/L 240125-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 03-24-2024 3.1 1 50 10 UG/L 240125-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 03-24-2024 < 1 10 2 UG/L 240125-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 03-24-2024 < 50 1000 50 UG/L 240125-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 03-24-2024 1.7 1 20 1 PCI/L 240125-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 03-24-2024 1.2 1 5000 UG/L 240125-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 03-24-2024 < 1 UG/L 240125-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 03-24-2024 < 1 2 1 UG/L 240125-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 03-24-2024 < 1 4 1 UG/L 240125-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 03-24-2024 1.1 1 50 5 UG/L 240125-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 03-24-2024 < 1 100 10 UG/L 240125-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 03-24-2024 < 1 50 UG/L 240125-0148 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 03-17-2024 < 2 10 2 UG/L AHC2484-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1030 LEAD 03-10-2024 < 1 5 UG/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 03-10-2024 8.9 1 1000 50 UG/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 03-10-2024 2.5 1 50 10 UG/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 03-10-2024 < 1 5 1 UG/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 03-10-2024 < 1 10 2 UG/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 03-10-2024 < 50 1000 50 UG/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 03-10-2024 1.6 1 20 1 PCI/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 03-10-2024 5.5 1 5000 UG/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 03-10-2024 < 1 UG/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 03-10-2024 < 1 2 1 UG/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 03-10-2024 < 1 4 1 UG/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 03-10-2024 < 1 6 6 UG/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 03-10-2024 1.0 1 50 5 UG/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 03-10-2024 3.9 1 100 10 UG/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 03-10-2024 < 1 50 UG/L 240111-0441 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 03-03-2024 < 1 5 UG/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 03-03-2024 < 1 1000 50 UG/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 03-03-2024 3.4 1 50 10 UG/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 03-03-2024 < 1 5 1 UG/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 03-03-2024 < 1 10 2 UG/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 03-03-2024 < 50 1000 50 UG/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 03-03-2024 1.9 1 20 1 PCI/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 03-03-2024 < 1 5000 UG/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 03-03-2024 < 1 UG/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 03-03-2024 < 1 2 1 UG/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 03-03-2024 < 1 4 1 UG/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 03-03-2024 < 1 6 6 UG/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 03-03-2024 1.2 1 50 5 UG/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 03-03-2024 < 1 100 10 UG/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 03-03-2024 < 1 50 UG/L 240104-1292 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 02-25-2024 1.3 1 1000 50 UG/L 231228-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 02-25-2024 3.1 1 50 10 UG/L 231228-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 02-25-2024 < 1 5 1 UG/L 231228-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 02-25-2024 < 1 10 2 UG/L 231228-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 02-25-2024 < 50 1000 50 UG/L 231228-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 02-25-2024 1.0 1 5000 UG/L 231228-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 02-25-2024 < 1 UG/L 231228-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 02-25-2024 < 1 6 6 UG/L 231228-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 02-25-2024 1.1 1 50 5 UG/L 231228-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 02-25-2024 < 1 100 10 UG/L 231228-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 02-25-2024 < 1 50 UG/L 231228-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 02-18-2024 < 1 5 UG/L 231221-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 02-18-2024 2.0 1 1000 50 UG/L 231221-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 02-18-2024 3.2 1 50 10 UG/L 231221-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 02-18-2024 < 1 5 1 UG/L 231221-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 02-18-2024 < 1 10 2 UG/L 231221-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 02-18-2024 < 50 1000 50 UG/L 231221-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 02-18-2024 1.6 1 20 1 PCI/L 231221-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 02-18-2024 1.0 1 5000 UG/L 231221-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 02-18-2024 < 1 UG/L 231221-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 02-18-2024 < 1 4 1 UG/L 231221-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 02-18-2024 < 1 6 6 UG/L 231221-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 02-18-2024 1.1 1 50 5 UG/L 231221-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 02-18-2024 < 1 100 10 UG/L 231221-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 02-18-2024 < 1 50 UG/L 231221-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 02-11-2024 < 2 10 2 UG/L AHB2085-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 02-04-2024 < 2 10 2 UG/L AHB1055-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1030 LEAD 01-28-2024 < 1 5 UG/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 01-28-2024 1.2 1 1000 50 UG/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 01-28-2024 2.2 1 50 10 UG/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 01-28-2024 < 1 5 1 UG/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 01-28-2024 < 1 10 2 UG/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 01-28-2024 < 50 1000 50 UG/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 01-28-2024 1.6 1 20 1 PCI/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 01-28-2024 4.7 1 5000 UG/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 01-28-2024 < 1 UG/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 01-28-2024 < 1 2 1 UG/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 01-28-2024 < 1 4 1 UG/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 01-28-2024 < 1 6 6 UG/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 01-28-2024 1.0 1 50 5 UG/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 01-28-2024 1.2 1 100 10 UG/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 01-28-2024 < 1 50 UG/L 231130-0110 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 01-21-2024 < 1 5 UG/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 01-21-2024 < 1 1000 50 UG/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 01-21-2024 3.0 1 50 10 UG/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 01-21-2024 < 1 5 1 UG/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 01-21-2024 < 1 10 2 UG/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 01-21-2024 < 50 1000 50 UG/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 01-21-2024 1.4 1 20 1 PCI/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 01-21-2024 < 1 5000 UG/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 01-21-2024 < 1 UG/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 01-21-2024 < 1 2 1 UG/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 01-21-2024 < 1 4 1 UG/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 01-21-2024 < 1 6 6 UG/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 01-21-2024 < 1 50 5 UG/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 01-21-2024 < 1 100 10 UG/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 01-21-2024 < 1 50 UG/L 231123-0100 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 01-14-2024 1.2 1 1000 50 UG/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 01-14-2024 2.9 1 50 10 UG/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 01-14-2024 < 1 5 1 UG/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 01-14-2024 < 1 10 2 UG/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 01-14-2024 < 50 1000 50 UG/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 01-14-2024 1.5 1 20 1 PCI/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 01-14-2024 < 1 5000 UG/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 01-14-2024 < 1 UG/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 01-14-2024 < 1 2 1 UG/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 01-14-2024 < 1 4 1 UG/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 01-14-2024 < 1 6 6 UG/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 01-14-2024 1.0 1 50 5 UG/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 01-14-2024 < 1 100 10 UG/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 01-14-2024 < 1 50 UG/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 01-14-2024 < 1 5 UG/L 231116-0151 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 01-09-2024 < 2 10 2 UG/L AHA1530-05 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1022 COPPER, FREE 01-02-2024 1.0 1 1000 50 UG/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 01-02-2024 2.7 1 50 10 UG/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 01-02-2024 < 1 5 1 UG/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 01-02-2024 < 1 10 2 UG/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 01-02-2024 < 50 1000 50 UG/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 01-02-2024 1.3 1 20 1 PCI/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 01-02-2024 < 1 5000 UG/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 01-02-2024 < 1 UG/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 01-02-2024 < 1 2 1 UG/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 01-02-2024 < 1 4 1 UG/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 01-02-2024 < 1 6 6 UG/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 01-02-2024 < 1 50 5 UG/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 01-02-2024 < 1 100 10 UG/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 01-02-2024 < 1 50 UG/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 01-02-2024 < 1 5 UG/L 231102-1455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 12-25-2023 < 2 10 2 UG/L AGL3279-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 12-17-2023 < 2 10 2 UG/L AGL2789-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 12-10-2023 < 2 10 2 UG/L AGL1747-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1022 COPPER, FREE 12-03-2023 1.0 1 1000 50 UG/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 12-03-2023 2.9 1 50 10 UG/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 12-03-2023 < 1 5 1 UG/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 12-03-2023 < 1 10 2 UG/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 12-03-2023 < 50 1000 50 UG/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 12-03-2023 1.2 1 20 1 PCI/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 12-03-2023 1.0 1 5000 UG/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 12-03-2023 < 1 UG/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 12-03-2023 < 1 2 1 UG/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 12-03-2023 < 1 4 1 UG/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 12-03-2023 < 1 6 6 UG/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 12-03-2023 < 1 50 5 UG/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 12-03-2023 < 1 100 10 UG/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 12-03-2023 < 1 50 UG/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 12-03-2023 < 1 5 UG/L 231005-1343 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 11-27-2023 < 1 1000 50 UG/L 230928-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 11-27-2023 3.0 1 50 10 UG/L 230928-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 11-27-2023 < 1 5 1 UG/L 230928-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 11-27-2023 < 1 10 2 UG/L 230928-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 11-27-2023 < 50 1000 50 UG/L 230928-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 11-27-2023 1.2 1 20 1 PCI/L 230928-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 11-27-2023 < 1 5000 UG/L 230928-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 11-27-2023 < 1 UG/L 230928-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 11-27-2023 < 1 2 1 UG/L 230928-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 11-27-2023 < 1 6 6 UG/L 230928-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 11-27-2023 < 1 50 5 UG/L 230928-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 11-27-2023 1.0 1 100 10 UG/L 230928-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 11-27-2023 < 1 50 UG/L 230928-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 11-27-2023 < 1 5 UG/L 230928-0117 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 11-19-2023 22.6 1 1000 50 UG/L 230921-0196 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 11-19-2023 3.1 1 50 10 UG/L 230921-0196 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 11-19-2023 < 1 5 1 UG/L 230921-0196 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 11-19-2023 < 1 10 2 UG/L 230921-0196 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 11-19-2023 < 50 1000 50 UG/L 230921-0196 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 11-19-2023 1.1 1 20 1 PCI/L 230921-0196 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 11-19-2023 2.5 1 5000 UG/L 230921-0196 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 11-19-2023 < 1 UG/L 230921-0196 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 11-19-2023 < 1 2 1 UG/L 230921-0196 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 11-19-2023 < 1 6 6 UG/L 230921-0196 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 11-19-2023 < 1 50 5 UG/L 230921-0196 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 11-19-2023 2.8 1 100 10 UG/L 230921-0196 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 11-19-2023 < 1 50 UG/L 230921-0196 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 11-19-2023 < 1 5 UG/L 230921-0196 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 11-12-2023 1.2 1 1000 50 UG/L 230914-0462 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 11-12-2023 < 1 5 1 UG/L 230914-0462 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 11-12-2023 < 1 10 2 UG/L 230914-0462 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 11-12-2023 < 50 1000 50 UG/L 230914-0462 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 11-12-2023 < 1 5000 UG/L 230914-0462 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 11-12-2023 < 1 2 1 UG/L 230914-0462 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 11-12-2023 < 1 4 1 UG/L 230914-0462 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 11-12-2023 < 1 6 6 UG/L 230914-0462 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 11-12-2023 < 1 50 5 UG/L 230914-0462 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 11-12-2023 < 1 100 10 UG/L 230914-0462 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 11-12-2023 < 1 5 UG/L 230914-0462 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 11-05-2023 < 2 10 2 UG/L AGK0967-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1022 COPPER, FREE 10-29-2023 1.1 1 1000 50 UG/L 230824-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 10-29-2023 < 1 5 1 UG/L 230824-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 10-29-2023 < 1 10 2 UG/L 230824-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 10-29-2023 1.1 1 20 1 PCI/L 230824-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 10-29-2023 < 1 5000 UG/L 230824-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 10-29-2023 < 1 2 1 UG/L 230824-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 10-29-2023 < 1 4 1 UG/L 230824-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 10-29-2023 < 1 6 6 UG/L 230824-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 10-29-2023 < 1 50 5 UG/L 230824-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 10-29-2023 < 1 100 10 UG/L 230824-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 10-29-2023 < 1 50 UG/L 230824-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 10-29-2023 < 1 5 UG/L 230824-0133 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 10-23-2023 2.6 1 1000 50 UG/L 230831-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 10-23-2023 3.0 1 50 10 UG/L 230831-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 10-23-2023 < 1 5 1 UG/L 230831-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 10-23-2023 < 1 10 2 UG/L 230831-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 10-23-2023 < 50 1000 50 UG/L 230831-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 10-23-2023 1.0 1 20 1 PCI/L 230831-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 10-23-2023 < 1 5000 UG/L 230831-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 10-23-2023 < 1 2 1 UG/L 230831-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 10-23-2023 < 1 4 1 UG/L 230831-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 10-23-2023 < 1 6 6 UG/L 230831-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 10-23-2023 < 1 50 5 UG/L 230831-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 10-23-2023 < 1 100 10 UG/L 230831-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 10-23-2023 < 1 50 UG/L 230831-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 10-23-2023 < 1 5 UG/L 230831-0107 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 10-16-2023 4.1 1 1000 50 UG/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 10-16-2023 3.1 1 50 10 UG/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 10-16-2023 < 1 5 1 UG/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 10-16-2023 < 1 10 2 UG/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 10-16-2023 < 50 1000 50 UG/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 10-16-2023 1.1 1 20 1 PCI/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 10-16-2023 1.9 1 5000 UG/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 10-16-2023 < 1 UG/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 10-16-2023 < 1 2 1 UG/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 10-16-2023 < 1 4 1 UG/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 10-16-2023 < 1 6 6 UG/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 10-16-2023 < 1 50 5 UG/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 10-16-2023 1.3 1 100 10 UG/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 10-16-2023 < 1 50 UG/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 10-16-2023 < 1 5 UG/L 230817-0167 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 10-12-2023 1.0 1 1000 50 UG/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 10-12-2023 3.1 1 50 10 UG/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 10-12-2023 < 1 5 1 UG/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 10-12-2023 < 1 10 2 UG/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 10-12-2023 < 50 1000 50 UG/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 10-12-2023 1.0 1 20 1 PCI/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 10-12-2023 1.2 1 5000 UG/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 10-12-2023 < 1 UG/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 10-12-2023 < 1 2 1 UG/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 10-12-2023 < 1 4 1 UG/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 10-12-2023 < 1 6 6 UG/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 10-12-2023 < 1 50 5 UG/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 10-12-2023 < 1 100 10 UG/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 10-12-2023 < 1 50 UG/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 10-12-2023 < 1 5 UG/L 230810-0479 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 10-01-2023 < 2 10 2 UG/L AGJ0624-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 09-26-2023 < 2 10 2 UG/L AGI3615-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1022 COPPER, FREE 09-17-2023 12.9 1 1000 50 UG/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 09-17-2023 2.5 1 50 10 UG/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 09-17-2023 < 1 5 1 UG/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 09-17-2023 < 1 10 2 UG/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 09-17-2023 < 50 1000 50 UG/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 09-17-2023 < 1 20 1 PCI/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 09-17-2023 2.5 1 5000 UG/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 09-17-2023 < 1 UG/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 09-17-2023 < 1 2 1 UG/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 09-17-2023 < 1 4 1 UG/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 09-17-2023 < 1 6 6 UG/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 09-17-2023 < 1 50 5 UG/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 09-17-2023 1.5 1 100 10 UG/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 09-17-2023 < 1 50 UG/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 09-17-2023 < 1 5 UG/L 230720-0164 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 09-10-2023 < 2 10 2 UG/L AGI1608-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 09-03-2023 < 2 10 2 UG/L AGI1033-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1022 COPPER, FREE 08-27-2023 3.1 1 1000 50 UG/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 08-27-2023 2.8 1 50 10 UG/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 08-27-2023 < 1 5 1 UG/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 08-27-2023 < 1 10 2 UG/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 08-27-2023 < 50 1000 50 UG/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 08-27-2023 < 1 20 1 PCI/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 08-27-2023 < 1 5000 UG/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 08-27-2023 < 1 UG/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 08-27-2023 < 1 2 1 UG/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 08-27-2023 < 1 4 1 UG/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 08-27-2023 < 1 6 6 UG/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 08-27-2023 < 1 50 5 UG/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 08-27-2023 1.2 1 100 10 UG/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 08-27-2023 < 1 50 UG/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 08-27-2023 < 1 5 UG/L 230629-0169 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 08-20-2023 5.9 1 1000 50 UG/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 08-20-2023 2.7 1 50 10 UG/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 08-20-2023 < 1 5 1 UG/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 08-20-2023 < 1 10 2 UG/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 08-20-2023 < 50 1000 50 UG/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 08-20-2023 < 1 20 1 PCI/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 08-20-2023 1.8 1 5000 UG/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 08-20-2023 < 1 UG/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 08-20-2023 < 1 2 1 UG/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 08-20-2023 < 1 4 1 UG/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 08-20-2023 < 1 6 6 UG/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 08-20-2023 < 1 50 5 UG/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 08-20-2023 5.1 1 100 10 UG/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 08-20-2023 < 1 50 UG/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 08-20-2023 < 1 5 UG/L 230622-0128 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 08-13-2023 < 2 10 2 UG/L AGH2464-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1005 ARSENIC 08-06-2023 < 2 10 2 UG/L 380-58059-2 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 200.8
1022 COPPER, FREE 07-30-2023 4.6 1 1000 50 UG/L 230601-0142 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 07-30-2023 2.6 1 50 10 UG/L 230601-0142 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 07-30-2023 < 1 5 1 UG/L 230601-0142 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 07-30-2023 < 1 10 2 UG/L 230601-0142 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 07-30-2023 < 50 1000 50 UG/L 230601-0142 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 07-30-2023 < 1 20 1 PCI/L 230601-0142 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 07-30-2023 1.6 1 5000 UG/L 230601-0142 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 07-30-2023 < 1 2 1 UG/L 230601-0142 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 07-30-2023 < 1 4 1 UG/L 230601-0142 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 07-30-2023 < 1 6 6 UG/L 230601-0142 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 07-30-2023 < 1 50 5 UG/L 230601-0142 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 07-30-2023 4.0 1 100 10 UG/L 230601-0142 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 07-30-2023 < 1 50 UG/L 230601-0142 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 07-30-2023 < 1 5 UG/L 230601-0142 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 07-23-2023 < 2 10 2 UG/L AGG3607-02 BSK ANALYTICAL LABORATORIES 1180 EPA 200.8
1022 COPPER, FREE 07-16-2023 10.5 1 1000 50 UG/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 07-16-2023 2.7 1 50 10 UG/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 07-16-2023 < 1 5 1 UG/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1010 BARIUM 07-16-2023 80.0 1 1000 100 UG/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 07-16-2023 < 1 10 2 UG/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 07-16-2023 < 50 1000 50 UG/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 07-16-2023 < 1 20 1 PCI/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 07-16-2023 3.8 1 5000 UG/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 07-16-2023 < 1 UG/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 07-16-2023 < 1 2 1 UG/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 07-16-2023 < 1 6 6 UG/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 07-16-2023 1.4 1 50 5 UG/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 07-16-2023 5.9 1 100 10 UG/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 07-16-2023 < 1 50 UG/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 07-16-2023 < 1 5 UG/L 230525-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 07-09-2023 4.8 1 1000 50 UG/L 230511-0455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 07-09-2023 < 1 5 1 UG/L 230511-0455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1010 BARIUM 07-09-2023 82.5 1 1000 100 UG/L 230511-0455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 07-09-2023 < 1 10 2 UG/L 230511-0455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 07-09-2023 < 1 20 1 PCI/L 230511-0455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 07-09-2023 1.3 1 5000 UG/L 230511-0455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 07-09-2023 < 1 2 1 UG/L 230511-0455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 07-09-2023 < 1 50 5 UG/L 230511-0455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 07-09-2023 < 1 5 UG/L 230511-0455 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 07-05-2023 2.4 1 1000 50 UG/L 230504-1421 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 07-05-2023 < 1 5 1 UG/L 230504-1421 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1010 BARIUM 07-05-2023 75.5 1 1000 100 UG/L 230504-1421 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 07-05-2023 < 1 10 2 UG/L 230504-1421 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 07-05-2023 < 1 20 1 PCI/L 230504-1421 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 07-05-2023 1.0 1 5000 UG/L 230504-1421 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 07-05-2023 < 1 2 1 UG/L 230504-1421 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 07-05-2023 < 1 4 1 UG/L 230504-1421 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 07-05-2023 < 1 6 6 UG/L 230504-1421 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 07-05-2023 < 1 50 5 UG/L 230504-1421 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 07-05-2023 < 1 100 10 UG/L 230504-1421 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 07-05-2023 < 1 5 UG/L 230504-1421 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 06-25-2023 2.4 1 1000 50 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 06-25-2023 3.0 1 50 10 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 06-25-2023 < 1 5 1 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1010 BARIUM 06-25-2023 81.4 1 1000 100 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 06-25-2023 < 1 10 2 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 06-25-2023 < 50 1000 50 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 06-25-2023 < 1 20 1 PCI/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 06-25-2023 < 1 5000 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 06-25-2023 < 1 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 06-25-2023 < 1 2 1 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 06-25-2023 < 1 4 1 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 06-25-2023 < 1 6 6 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 06-25-2023 < 1 50 5 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 06-25-2023 < 1 100 10 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 06-25-2023 < 1 50 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 06-25-2023 < 1 5 UG/L 230427-0120 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 06-18-2023 10.4 1 1000 50 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 06-18-2023 3.0 1 50 10 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 06-18-2023 < 1 5 1 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1010 BARIUM 06-18-2023 80.2 1 1000 100 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 06-18-2023 < 1 10 2 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 06-18-2023 < 50 1000 50 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
4006 COMBINED URANIUM 06-18-2023 < 1 20 1 PCI/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 06-18-2023 3.5 1 5000 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 06-18-2023 < 1 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 06-18-2023 < 1 2 1 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 06-18-2023 < 1 4 1 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 06-18-2023 < 1 6 6 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 06-18-2023 1.1 1 50 5 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 06-18-2023 2.9 1 100 10 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 06-18-2023 < 1 50 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 06-18-2023 < 1 5 UG/L 230420-0127 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 06-11-2023 5.8 1 1000 50 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 06-11-2023 4.4 1 50 10 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 06-11-2023 < 1 5 1 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1010 BARIUM 06-11-2023 69.5 1 1000 100 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 06-11-2023 < 1 10 2 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 06-11-2023 < 50 1000 50 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 06-11-2023 1.6 1 5000 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 06-11-2023 < 1 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 06-11-2023 < 1 2 1 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 06-11-2023 < 1 4 1 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 06-11-2023 < 1 6 6 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 06-11-2023 < 1 50 5 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 06-11-2023 1.1 1 100 10 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 06-11-2023 < 1 50 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 06-11-2023 < 1 5 UG/L 230413-0469 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1022 COPPER, FREE 06-09-2023 4.5 1 1000 50 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1020 CHROMIUM 06-09-2023 2.1 1 50 10 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1015 CADMIUM 06-09-2023 < 1 5 1 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1010 BARIUM 06-09-2023 32.9 1 1000 100 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1005 ARSENIC 06-09-2023 < 1 10 2 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1002 ALUMINUM 06-09-2023 < 50 1000 50 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1095 ZINC 06-09-2023 8.8 1 5000 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1088 VANADIUM, TOTAL 06-09-2023 < 1 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1085 THALLIUM, TOTAL 06-09-2023 < 1 2 1 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1075 BERYLLIUM, TOTAL 06-09-2023 < 1 4 1 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1074 ANTIMONY, TOTAL 06-09-2023 < 1 6 6 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1045 SELENIUM 06-09-2023 < 1 50 5 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1036 NICKEL 06-09-2023 3.0 1 100 10 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1032 MANGANESE 06-09-2023 < 1 50 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8
1030 LEAD 06-09-2023 < 1 5 UG/L 230406-1327 CALIFORNIA WATER SERVICE CO. 1621 EPA 200.8

RL – Reporting Level means the level to which the laboratory reported the presence of an analyte. For radionuclides, Reporting Level is the MDA95.

DLR – Detection Limit for purposes of Reporting (DLR) means the designated minimum level at or above which any analytical finding of a contaminant in drinking water resulting from monitoring required under Chapter 15 of Title 22 shall be reported to the State Board (California Code of Regulations Section § 64400.34)

For addtional definitions, please refer to our data dictionary.