Date:07-23-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910223SYSTEM NAME:GSWC-SOUTH SAN GABRIELCOUNTY:LOS ANGELES 
SOURCE NO.:005SOURCE NAME:SAN GABRIEL WELL 02 - ACTIVESOURCE CLASS:LGLJSTATUS: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
CA1910223_005_005 SECONDARY/GP-202408 1928 ALKALINITY, BICARBONATE 250.000 2.000 MG/L 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1919 CALCIUM 60.000 1.000 MG/L 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1929 ALKALINITY, CARBONATE 2.000 2.000 MG/L 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1017 CHLORIDE 45.000 1.000 MG/L 500 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1905 COLOR < 3.000 UNITS 15 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1022 COPPER, FREE < 2.000 UG/L 1000 50 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 2905 FOAMING AGENTS (SURFACTANTS) < 0.100 MG/L .5 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1915 HARDNESS, TOTAL (AS CACO3) 240.000 3.000 MG/L 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202108 1021 HYDROXIDE AS CALCIUM CARBONATE < 2.000 MG/L 08-16-2018 36 2021/08 DUE NOW
CA1910223_005_005 SECONDARY/GP-202408 1028 IRON < 10.000 UG/L 300 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1031 MAGNESIUM 22.000 0.100 MG/L 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1032 MANGANESE < 2.000 UG/L 50 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1920 ODOR < 1.000 TON 3 1 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1925 PH 8.100 0.100 pH 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1050 SILVER < 10.000 UG/L 100 10 08-09-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1052 SODIUM 46.000 1.000 MG/L 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1064 CONDUCTIVITY @ 25 C UMHOS/CM 660.000 10.000 UMHO/CM 1600 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1055 SULFATE 35.000 1.000 MG/L 500 .5 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202610 1930 TDS 470.000 10.000 MG/L 1000 10-18-2023 36 2026/10
CA1910223_005_005 SECONDARY/GP-202408 0100 TURBIDITY 0.110 0.100 NTU 5 .1 08-19-2021 36 2024/08
CA1910223_005_005 SECONDARY/GP-202408 1095 ZINC < 20.000 UG/L 5000 50 08-19-2021 36 2024/08
CA1910223_005_005 INORGANIC-202408 1002 ALUMINUM < 20.000 UG/L 1000 50 08-19-2021 36 2024/08
CA1910223_005_005 INORGANIC-202408 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 08-09-2021 36 2024/08
CA1910223_005_005 INORGANIC-202408 1005 ARSENIC < 2.000 UG/L 10 2 08-09-2021 36 2024/08
CA1910223_005_005 INORGANIC-202408 1010 BARIUM < 100.000 UG/L 1000 100 08-09-2021 36 2024/08
CA1910223_005_005 INORGANIC-202408 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 08-09-2021 36 2024/08
CA1910223_005_005 INORGANIC-202408 1015 CADMIUM < 1.000 UG/L 5 1 08-09-2021 36 2024/08
CA1910223_005_005 INORGANIC-202705 1020 CHROMIUM < 10.000 UG/L 50 10 05-14-2024 36 2027/05
CA1910223_005_005 INORGANIC-202408 1024 CYANIDE < 5.000 UG/L 150 100 08-09-2021 36 2024/08
CA1910223_005_005 INORGANIC-202408 1025 FLUORIDE 0.480 0.050 MG/L 2 .1 08-19-2021 36 2024/08
CA1910223_005_005 INORGANIC-202408 1035 MERCURY < 1.000 UG/L 2 1 08-09-2021 36 2024/08
CA1910223_005_005 INORGANIC-202408 1036 NICKEL < 10.000 UG/L 100 10 08-09-2021 36 2024/08
CA1910223_005_005 INORGANIC-202706 1039 PERCHLORATE 1.400 1.000 UG/L 6 1 06-11-2024 36 2027/06
CA1910223_005_005 INORGANIC-202408 1045 SELENIUM < 5.000 UG/L 50 5 08-09-2021 36 2024/08
CA1910223_005_005 INORGANIC-202408 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 08-09-2021 36 2024/08
CA1910223_005_005 NITRATE/NITRITE-202409 1040 NITRATE 8.100 0.400 MG/L 10 .4 06-11-2024 3 2024/09
CA1910223_005_005 NITRATE/NITRITE-202408 1041 NITRITE < 0.100 MG/L 1 .4 08-19-2021 36 2024/08
CA1910223_005_005 RADIOLOGICAL-203105 4109 GROSS ALPHA PARTICLE ACTIVITY < 3.000 PCI/L 15 3 05-11-2022 108 2031/05
CA1910223_005_005 RADIOLOGICAL-201410 4020 RADIUM-226 < 0.623 PCI/L 1 12-12-2023 108 2014/10 DUE NOW
CA1910223_005_005 RADIOLOGICAL-203212 4030 RADIUM-228 < 0.632 PCI/L 1 12-12-2023 108 2032/12
CA1910223_005_005 RADIOLOGICAL-202505 4006 COMBINED URANIUM 4.200 +/- 0.000 1.000 PCI/L 20 1 05-22-2019 72 2025/05
CA1910223_005_005 REGULATED VOC-202506 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2990 BENZENE < 0.500 UG/L 1 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2996 STYRENE < 0.500 UG/L 100 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202407 2987 TETRACHLOROETHYLENE 2.600 0.500 UG/L 5 .5 06-11-2024 1 2024/07 DUE NOW
CA1910223_005_005 REGULATED VOC-202506 2991 TOLUENE < 0.500 UG/L 150 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202407 2984 TRICHLOROETHYLENE 0.550 0.500 UG/L 5 .5 06-11-2024 1 2024/07 DUE NOW
CA1910223_005_005 REGULATED VOC-202506 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED VOC-202506 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 06-11-2024 12 2025/06
CA1910223_005_005 REGULATED SOC-202410 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 10-18-2023 12 2024/10
CA1910223_005_005 REGULATED SOC-202502 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 05-11-2022 33 2025/02
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.