Date:05-06-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910024SYSTEM NAME:GSWC - CLAREMONTCOUNTY:LOS ANGELES 
SOURCE NO.:068SOURCE NAME:MARGARITA WELL 2SOURCE CLASS:LGLGSTATUS: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
CA1910024_068_068 SECONDARY/GP-202608 1928 ALKALINITY, BICARBONATE 170.000 24.000 MG/L 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1919 CALCIUM 61.500 0.500 MG/L 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1929 ALKALINITY, CARBONATE < 20.000 MG/L 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1017 CHLORIDE 38.000 0.500 MG/L 500 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1905 COLOR < 3.000 UNITS 15 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1022 COPPER, FREE 3.400 1.000 UG/L 1000 50 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1915 HARDNESS, TOTAL (AS CACO3) 183.000 3.310 MG/L 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1021 HYDROXIDE AS CALCIUM CARBONATE < 20.000 MG/L 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1028 IRON < 30.000 UG/L 300 100 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1031 MAGNESIUM 7.050 0.500 MG/L 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1032 MANGANESE < 1.000 UG/L 50 20 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1920 ODOR < 1.000 TON 3 1 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1925 PH 7.300 0.100 pH 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1050 SILVER < 0.200 UG/L 100 10 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1052 SODIUM 22.000 1.000 MG/L 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1064 CONDUCTIVITY @ 25 C UMHOS/CM 470.000 2.000 UMHO/CM 1600 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1055 SULFATE 47.000 0.500 MG/L 500 .5 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1930 TDS 340.000 10.000 MG/L 1000 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 0100 TURBIDITY 0.100 0.100 NTU 5 .1 08-30-2023 36 2026/08
CA1910024_068_068 SECONDARY/GP-202608 1095 ZINC < 10.000 UG/L 5000 50 08-30-2023 36 2026/08
CA1910024_068_068 INORGANIC-202608 1002 ALUMINUM < 20.000 UG/L 1000 50 08-30-2023 36 2026/08
CA1910024_068_068 INORGANIC-202608 1074 ANTIMONY, TOTAL < 0.500 UG/L 6 6 08-30-2023 36 2026/08
CA1910024_068_068 INORGANIC-202608 1005 ARSENIC 1.200 0.500 UG/L 10 2 08-30-2023 36 2026/08
CA1910024_068_068 INORGANIC-202608 1010 BARIUM 63.000 1.000 UG/L 1000 100 08-30-2023 36 2026/08
CA1910024_068_068 INORGANIC-202608 1075 BERYLLIUM, TOTAL < 0.100 UG/L 4 1 08-30-2023 36 2026/08
CA1910024_068_068 INORGANIC-202608 1015 CADMIUM < 0.500 UG/L 5 1 08-30-2023 36 2026/08
CA1910024_068_068 INORGANIC-202608 1020 CHROMIUM 2.700 2.000 UG/L 50 10 08-30-2023 36 2026/08
CA1910024_068_068 INORGANIC-202608 1024 CYANIDE < 5.000 UG/L 150 100 08-30-2023 36 2026/08
CA1910024_068_068 INORGANIC-202608 1025 FLUORIDE 0.120 0.100 MG/L 2 .1 08-30-2023 36 2026/08
CA1910024_068_068 INORGANIC-202608 1035 MERCURY < 0.050 UG/L 2 1 08-30-2023 36 2026/08
CA1910024_068_068 INORGANIC-202608 1036 NICKEL < 2.000 UG/L 100 10 08-30-2023 36 2026/08
CA1910024_068_068 INORGANIC-202702 1039 PERCHLORATE 2.100 2.000 UG/L 6 1 02-27-2024 36 2027/02
CA1910024_068_068 INORGANIC-202608 1045 SELENIUM < 0.500 UG/L 50 5 08-30-2023 36 2026/08
CA1910024_068_068 INORGANIC-202608 1085 THALLIUM, TOTAL < 0.200 UG/L 2 1 08-30-2023 36 2026/08
CA1910024_068_068 NITRATE/NITRITE-202504 1040 NITRATE 6.800 0.400 MG/L 10 .4 04-08-2024 12 2025/04
CA1910024_068_068 NITRATE/NITRITE-202608 1041 NITRITE < 0.100 MG/L 1 .4 08-30-2023 36 2026/08
CA1910024_068_068 RADIOLOGICAL-202308 4109 GROSS ALPHA PARTICLE ACTIVITY < 3.000 PCI/L 15 3 05-30-2023 3 2023/08 DUE NOW
CA1910024_068_068 RADIOLOGICAL-202402 4020 RADIUM-226 < 0.541 PCI/L 1 11-03-2023 3 2024/02 DUE NOW
CA1910024_068_068 RADIOLOGICAL-202308 4030 RADIUM-228 < 1.000 PCI/L 1 05-30-2023 3 2023/08 DUE NOW
CA1910024_068_068 RADIOLOGICAL-202308 4006 COMBINED URANIUM < 1.000 PCI/L 20 1 05-30-2023 3 2023/08 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2990 BENZENE < 0.500 UG/L 1 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2251 METHYL TERT-BUTYL ETHER < 2.000 UG/L 13 3 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2996 STYRENE < 0.500 UG/L 100 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2991 TOLUENE < 0.500 UG/L 150 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2904 TRICHLOROTRIFLUOROETHANE < 5.000 UG/L 1200 10 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED VOC-202405 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 05-30-2023 12 2024/05 DUE NOW
CA1910024_068_068 REGULATED SOC-202405 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 04-08-2024 1 2024/05 DUE NOW
CA1910024_068_068 REGULATED SOC-202405 2039 DI(2-ETHYLHEXYL) PHTHALATE < 0.600 UG/L 4 3 08-16-2021 33 2024/05 DUE NOW
CA1910024_068_068 REGULATED SOC-202608 2931 1,2-DIBROMO-3-CHLOROPROPANE 0.017 0.010 UG/L .2 .01 11-14-2023 33 2026/08
CA1910024_068_068 REGULATED SOC-202608 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 11-14-2023 33 2026/08
CA1910024_068_068 REGULATED SOC-201410 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 07-29-2014 3 2014/10 DUE NOW
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.