Date:05-15-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:0110005SYSTEM NAME:EAST BAY MUDCOUNTY:ALAMEDA 
SOURCE NO.:005SOURCE NAME:ORINDA WTPSOURCE CLASS:OTHRSTATUS:A



Click to hide / show columns: PS Codes | Group Name | Analyte Number | Analyte Name | Detected Level |Less Than | RL | Unit | MCL | DLR | Last Sampled | Frequency | Next Due | Notes

PS Codes Group Name Analyte Number Analyte Name Results Unit MCL DLR Last Sampled Frequency Next Due Notes
Detected Level Less Than RL
CA0110005_005_005 SECONDARY/GP-202502 1928 ALKALINITY, BICARBONATE 21.000 6.000 MG/L 02-08-2024 12 2025/02
CA0110005_005_005 SECONDARY/GP-202504 1919 CALCIUM 6.150 0.042 MG/L 04-02-2024 12 2025/04
CA0110005_005_005 SECONDARY/GP-202502 1929 ALKALINITY, CARBONATE < 6.000 MG/L 02-08-2024 12 2025/02
CA0110005_005_005 SECONDARY/GP-202504 1017 CHLORIDE 4.400 0.200 MG/L 500 04-02-2024 12 2025/04
CA0110005_005_005 SECONDARY/GP-202502 1905 COLOR < 3.000 UNITS 15 02-08-2024 12 2025/02
CA0110005_005_005 SECONDARY/GP-202504 1022 COPPER, FREE < 50.000 UG/L 1000 50 04-02-2024 12 2025/04
CA0110005_005_005 SECONDARY/GP-202409 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 09-13-2023 12 2024/09
CA0110005_005_005 SECONDARY/GP-202504 1915 HARDNESS, TOTAL (AS CACO3) 21.000 7.000 MG/L 04-02-2024 12 2025/04
CA0110005_005_005 SECONDARY/GP-202502 1021 HYDROXIDE AS CALCIUM CARBONATE < 6.000 MG/L 02-08-2024 12 2025/02
CA0110005_005_005 SECONDARY/GP-202504 1028 IRON < 100.000 UG/L 300 100 04-02-2024 12 2025/04
CA0110005_005_005 SECONDARY/GP-202504 1031 MAGNESIUM 1.340 0.042 MG/L 04-02-2024 12 2025/04
CA0110005_005_005 SECONDARY/GP-202504 1032 MANGANESE < 20.000 UG/L 50 20 04-02-2024 12 2025/04
CA0110005_005_005 SECONDARY/GP-202502 1920 ODOR < 1.000 TON 3 1 02-08-2024 12 2025/02
CA0110005_005_005 SECONDARY/GP-202504 1050 SILVER < 10.000 UG/L 100 10 04-02-2024 12 2025/04
CA0110005_005_005 SECONDARY/GP-202504 1052 SODIUM 6.170 0.042 MG/L 04-02-2024 12 2025/04
CA0110005_005_005 SECONDARY/GP-202502 1064 CONDUCTIVITY @ 25 C UMHOS/CM 65.000 1.000 UMHO/CM 1600 02-08-2024 12 2025/02
CA0110005_005_005 SECONDARY/GP-202504 1055 SULFATE 1.600 0.200 MG/L 500 .5 04-02-2024 12 2025/04
CA0110005_005_005 SECONDARY/GP-202504 1930 TDS 45.000 42.000 MG/L 1000 04-02-2024 12 2025/04
CA0110005_005_005 SECONDARY/GP-202502 0100 TURBIDITY < 0.110 NTU 5 .1 02-08-2024 12 2025/02
CA0110005_005_005 SECONDARY/GP-202504 1095 ZINC < 50.000 UG/L 5000 50 04-02-2024 12 2025/04
CA0110005_005_005 INORGANIC-202504 1002 ALUMINUM < 50.000 UG/L 1000 50 04-02-2024 12 2025/04
CA0110005_005_005 INORGANIC-202502 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 02-08-2024 12 2025/02
CA0110005_005_005 INORGANIC-202502 1005 ARSENIC < 2.000 UG/L 10 2 02-08-2024 12 2025/02
CA0110005_005_005 INORGANIC-202502 1010 BARIUM < 100.000 UG/L 1000 100 02-08-2024 12 2025/02
CA0110005_005_005 INORGANIC-202502 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 02-08-2024 12 2025/02
CA0110005_005_005 INORGANIC-202502 1015 CADMIUM < 1.000 UG/L 5 1 02-08-2024 12 2025/02
CA0110005_005_005 INORGANIC-202502 1020 CHROMIUM < 10.000 UG/L 50 10 02-08-2024 12 2025/02
CA0110005_005_005 INORGANIC-202502 1024 CYANIDE < 100.000 UG/L 150 100 02-08-2024 12 2025/02
CA0110005_005_005 INORGANIC-202502 1030 LEAD < 5.000 UG/L 5 02-08-2024 12 2025/02
CA0110005_005_005 INORGANIC-202502 1035 MERCURY < 1.000 UG/L 2 1 02-08-2024 12 2025/02
CA0110005_005_005 INORGANIC-202504 1036 NICKEL < 10.000 UG/L 100 10 04-02-2024 12 2025/04
CA0110005_005_005 INORGANIC-202502 1045 SELENIUM < 5.000 UG/L 50 5 02-08-2024 12 2025/02
CA0110005_005_005 INORGANIC-202502 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 02-08-2024 12 2025/02
CA0110005_005_005 NITRATE/NITRITE-202504 1040 NITRATE < 0.400 MG/L 10 .4 04-30-2024 12 2025/04
CA0110005_005_005 NITRATE/NITRITE-202504 1041 NITRITE < 0.400 MG/L 1 .4 04-30-2024 12 2025/04
PS Codes Group Name Analyte Number Analyte Name Detected Level Less Than RL Unit MCL DLR Last Sampled Frequency Next Due Notes

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.