Date:05-15-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:3600172SYSTEM NAME:MP MINE OPERATIONS LLCCOUNTY:SAN BERNARDINO 
SOURCE NO.:All SourcesSOURCE NAME:N/ASOURCE CLASS:N/ASTATUS:N/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
CA3600172_002_002 SECONDARY/GP-202509 1928 ALKALINITY, BICARBONATE 180.000 10.000 MG/L 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1919 CALCIUM 138.000 1.000 MG/L 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1929 ALKALINITY, CARBONATE < 10.000 MG/L 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1017 CHLORIDE 18.000 1.000 MG/L 500 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1905 COLOR < 5.000 UNITS 15 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1022 COPPER, FREE < 50.000 UG/L 1000 50 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1915 HARDNESS, TOTAL (AS CACO3) 566.000 1.000 MG/L 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1021 HYDROXIDE AS CALCIUM CARBONATE < 10.000 MG/L 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1028 IRON 120.000 100.000 UG/L 300 100 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1031 MAGNESIUM 54.000 1.000 MG/L 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1032 MANGANESE < 20.000 UG/L 50 20 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1920 ODOR < 1.000 TON 3 1 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202206 1925 PH 8.000 pH 06-27-2019 36 2022/06 DUE NOW
CA3600172_002_002 SECONDARY/GP-202411 1050 SILVER < 10.000 UG/L 100 10 11-18-2021 36 2024/11
CA3600172_002_002 SECONDARY/GP-202509 1052 SODIUM 25.000 1.000 MG/L 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1064 CONDUCTIVITY @ 25 C UMHOS/CM 1050.000 UMHO/CM 1600 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1055 SULFATE 412.000 0.500 MG/L 500 .5 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1930 TDS 850.000 40.000 MG/L 1000 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 0100 TURBIDITY 0.500 0.100 NTU 5 .1 09-21-2022 36 2025/09
CA3600172_002_002 SECONDARY/GP-202509 1095 ZINC < 50.000 UG/L 5000 50 09-21-2022 36 2025/09
CA3600172_002_002 INORGANIC-202411 1002 ALUMINUM < 50.000 UG/L 1000 50 11-18-2021 36 2024/11
CA3600172_002_002 INORGANIC-202411 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 11-18-2021 36 2024/11
CA3600172_002_002 INORGANIC-202411 1005 ARSENIC 4.000 2.000 UG/L 10 2 11-18-2021 36 2024/11
CA3600172_002_002 INORGANIC-202411 1010 BARIUM < 100.000 UG/L 1000 100 11-18-2021 36 2024/11
CA3600172_002_002 INORGANIC-202411 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 11-18-2021 36 2024/11
CA3600172_002_002 INORGANIC-202411 1015 CADMIUM < 1.000 UG/L 5 1 11-18-2021 36 2024/11
CA3600172_002_002 INORGANIC-202411 1020 CHROMIUM < 10.000 UG/L 50 10 11-18-2021 36 2024/11
CA3600172_002_002 INORGANIC-202509 1024 CYANIDE < 100.000 UG/L 150 100 09-21-2022 36 2025/09
CA3600172_002_002 INORGANIC-202509 1025 FLUORIDE 0.500 0.100 MG/L 2 .1 09-21-2022 36 2025/09
CA3600172_002_002 INORGANIC-202411 1035 MERCURY < 1.000 UG/L 2 1 11-18-2021 36 2024/11
CA3600172_002_002 INORGANIC-202411 1036 NICKEL < 10.000 UG/L 100 10 11-18-2021 36 2024/11
CA3600172_002_002 INORGANIC-202509 1039 PERCHLORATE < 2.000 UG/L 6 2 09-21-2022 36 2025/09
CA3600172_002_002 INORGANIC-202411 1045 SELENIUM < 5.000 UG/L 50 5 11-18-2021 36 2024/11
CA3600172_002_002 INORGANIC-202411 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 11-18-2021 36 2024/11
CA3600172_002_002 NITRATE/NITRITE-202410 1040 NITRATE 0.700 0.400 MG/L 10 .4 10-30-2023 12 2024/10
CA3600172_002_002 NITRATE/NITRITE-202511 1041 NITRITE < 0.400 MG/L 1 .4 11-16-2022 36 2025/11
CA3600172_002_002 RADIOLOGICAL-202411 4109 GROSS ALPHA PARTICLE ACTIVITY < 1.750 PCI/L 15 3 11-18-2021 36 2024/11
CA3600172_002_002 RADIOLOGICAL-202411 4006 COMBINED URANIUM 1.120 +/- 0.000 1.000 PCI/L 20 1 11-18-2021 36 2024/11
CA3600172_002_002 REGULATED VOC-202509 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2990 BENZENE < 0.500 UG/L 1 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2251 METHYL TERT-BUTYL ETHER < 0.500 UG/L 13 3 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2996 STYRENE < 0.500 UG/L 100 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2991 TOLUENE < 0.500 UG/L 150 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED VOC-202509 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202610 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 10-30-2023 36 2026/10
CA3600172_002_002 REGULATED SOC-202509 2063 2,3,7,8-TCDD < 0.005 NG/L 0.03 0.005 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2110 2,4,5-TP < 1.000 UG/L 50 1 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2105 2,4-D < 10.000 UG/L 70 10 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2050 ATRAZINE < 0.500 UG/L 1 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2625 BENTAZON < 2.000 UG/L 18 2 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2306 BENZO(A)PYRENE < 0.100 UG/L .2 .1 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2046 CARBOFURAN < 5.000 UG/L 18 5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2959 CHLORDANE < 0.100 UG/L .1 .1 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2031 DALAPON < 10.000 UG/L 200 10 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2035 DI(2-ETHYLHEXYL) ADIPATE < 5.000 UG/L 400 5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2041 DINOSEB < 2.000 UG/L 7 2 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2032 DIQUAT < 4.000 UG/L 20 4 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2033 ENDOTHALL < 45.000 UG/L 100 45 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2005 ENDRIN < 0.100 UG/L 2 .1 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2034 GLYPHOSATE < 25.000 UG/L 700 25 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2065 HEPTACHLOR < 0.010 UG/L .01 .01 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2274 HEXACHLOROBENZENE < 0.500 UG/L 1 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2042 HEXACHLOROCYCLOPENTADIENE < 1.000 UG/L 50 1 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2010 BHC-GAMMA < 0.200 UG/L .2 .2 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2015 METHOXYCHLOR < 10.000 UG/L 30 10 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2626 MOLINATE < 2.000 UG/L 20 2 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2036 OXAMYL < 20.000 UG/L 50 20 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2040 PICLORAM < 1.000 UG/L 500 1 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2383 TOTAL POLYCHLORINATED BIPHENYLS (PCB) < 0.500 UG/L .5 .5 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2037 SIMAZINE < 1.000 UG/L 4 1 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2727 THIOBENCARB (BOLERO) < 1.000 UG/L 70 1 09-21-2022 36 2025/09
CA3600172_002_002 REGULATED SOC-202509 2020 TOXAPHENE < 1.000 UG/L 3 1 09-21-2022 36 2025/09
CA3600172_003_003 SECONDARY/GP-202510 1928 ALKALINITY, BICARBONATE 200.000 10.000 MG/L 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1919 CALCIUM 75.000 1.000 MG/L 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1929 ALKALINITY, CARBONATE < 10.000 MG/L 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1017 CHLORIDE 25.000 1.000 MG/L 500 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1905 COLOR < 5.000 UNITS 15 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1022 COPPER, FREE < 50.000 UG/L 1000 50 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1915 HARDNESS, TOTAL (AS CACO3) 327.000 1.000 MG/L 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1021 HYDROXIDE AS CALCIUM CARBONATE < 10.000 MG/L 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1028 IRON < 100.000 UG/L 300 100 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1031 MAGNESIUM 34.000 1.000 MG/L 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1032 MANGANESE < 20.000 UG/L 50 20 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1920 ODOR < 1.000 TON 3 1 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202210 1925 PH 7.900 pH 10-15-2019 36 2022/10 DUE NOW
CA3600172_003_003 SECONDARY/GP-202510 1050 SILVER < 10.000 UG/L 100 10 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1052 SODIUM 81.000 1.000 MG/L 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1064 CONDUCTIVITY @ 25 C UMHOS/CM 898.000 UMHO/CM 1600 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1055 SULFATE 273.000 0.500 MG/L 500 .5 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1930 TDS 590.000 40.000 MG/L 1000 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 0100 TURBIDITY < 0.100 NTU 5 .1 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1095 ZINC < 50.000 UG/L 5000 50 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1002 ALUMINUM < 50.000 UG/L 1000 50 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1005 ARSENIC 3.000 2.000 UG/L 10 2 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1010 BARIUM < 100.000 UG/L 1000 100 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1015 CADMIUM < 1.000 UG/L 5 1 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1020 CHROMIUM < 10.000 UG/L 50 10 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1024 CYANIDE < 100.000 UG/L 150 100 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1025 FLUORIDE 1.100 0.100 MG/L 2 .1 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1035 MERCURY < 1.000 UG/L 2 1 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1036 NICKEL < 10.000 UG/L 100 10 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1039 PERCHLORATE < 2.000 UG/L 6 2 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1045 SELENIUM < 5.000 UG/L 50 5 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 10-04-2022 36 2025/10
CA3600172_003_003 NITRATE/NITRITE-202410 1040 NITRATE 1.100 0.400 MG/L 10 .4 10-30-2023 12 2024/10
CA3600172_003_003 NITRATE/NITRITE-202511 1041 NITRITE < 0.400 MG/L 1 .4 11-16-2022 36 2025/11
CA3600172_003_003 RADIOLOGICAL-202411 4109 GROSS ALPHA PARTICLE ACTIVITY 9.420 +/- 1.720 1.390 PCI/L 15 3 11-18-2021 36 2024/11
CA3600172_003_003 RADIOLOGICAL-202411 4006 COMBINED URANIUM 4.210 +/- 0.000 1.000 PCI/L 20 1 11-18-2021 36 2024/11
CA3600172_003_003 REGULATED VOC-202510 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2990 BENZENE < 0.500 UG/L 1 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2251 METHYL TERT-BUTYL ETHER < 0.500 UG/L 13 3 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2996 STYRENE < 0.500 UG/L 100 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2991 TOLUENE < 0.500 UG/L 150 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202610 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 10-30-2023 36 2026/10
CA3600172_003_003 REGULATED SOC-202510 2063 2,3,7,8-TCDD < 0.005 NG/L 0.03 0.005 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2110 2,4,5-TP < 1.000 UG/L 50 1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2105 2,4-D < 10.000 UG/L 70 10 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2050 ATRAZINE < 0.500 UG/L 1 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2625 BENTAZON < 2.000 UG/L 18 2 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2306 BENZO(A)PYRENE < 0.100 UG/L .2 .1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2046 CARBOFURAN < 5.000 UG/L 18 5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2959 CHLORDANE < 0.100 UG/L .1 .1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2031 DALAPON < 10.000 UG/L 200 10 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2035 DI(2-ETHYLHEXYL) ADIPATE < 5.000 UG/L 400 5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2041 DINOSEB < 2.000 UG/L 7 2 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2032 DIQUAT < 4.000 UG/L 20 4 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2033 ENDOTHALL < 45.000 UG/L 100 45 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2005 ENDRIN < 0.100 UG/L 2 .1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2034 GLYPHOSATE < 25.000 UG/L 700 25 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2065 HEPTACHLOR < 0.010 UG/L .01 .01 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2274 HEXACHLOROBENZENE < 0.500 UG/L 1 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2042 HEXACHLOROCYCLOPENTADIENE < 1.000 UG/L 50 1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2010 BHC-GAMMA < 0.200 UG/L .2 .2 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2015 METHOXYCHLOR < 10.000 UG/L 30 10 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2626 MOLINATE < 2.000 UG/L 20 2 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2036 OXAMYL < 20.000 UG/L 50 20 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2040 PICLORAM < 1.000 UG/L 500 1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2383 TOTAL POLYCHLORINATED BIPHENYLS (PCB) < 0.500 UG/L .5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2037 SIMAZINE < 1.000 UG/L 4 1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2727 THIOBENCARB (BOLERO) < 1.000 UG/L 70 1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2020 TOXAPHENE < 1.000 UG/L 3 1 10-04-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1928 ALKALINITY, BICARBONATE 210.000 10.000 MG/L 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1919 CALCIUM 43.000 1.000 MG/L 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1929 ALKALINITY, CARBONATE < 10.000 MG/L 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1017 CHLORIDE 36.000 1.000 MG/L 500 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1905 COLOR < 5.000 UNITS 15 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1022 COPPER, FREE < 50.000 UG/L 1000 50 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1915 HARDNESS, TOTAL (AS CACO3) 202.000 1.000 MG/L 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1021 HYDROXIDE AS CALCIUM CARBONATE < 10.000 MG/L 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1028 IRON < 100.000 UG/L 300 100 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1031 MAGNESIUM 23.000 1.000 MG/L 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1032 MANGANESE < 20.000 UG/L 50 20 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1920 ODOR < 1.000 TON 3 1 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202206 1925 PH 8.200 pH 06-27-2019 36 2022/06 DUE NOW
CA3600172_004_004 SECONDARY/GP-202411 1050 SILVER < 10.000 UG/L 100 10 11-18-2021 36 2024/11
CA3600172_004_004 SECONDARY/GP-202510 1052 SODIUM 107.000 1.000 MG/L 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1064 CONDUCTIVITY @ 25 C UMHOS/CM 839.000 UMHO/CM 1600 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1055 SULFATE 181.000 0.500 MG/L 500 .5 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1930 TDS 550.000 40.000 MG/L 1000 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 0100 TURBIDITY < 0.100 NTU 5 .1 10-05-2022 36 2025/10
CA3600172_004_004 SECONDARY/GP-202510 1095 ZINC 50.000 50.000 UG/L 5000 50 10-05-2022 36 2025/10
CA3600172_004_004 INORGANIC-202411 1002 ALUMINUM < 50.000 UG/L 1000 50 11-18-2021 36 2024/11
CA3600172_004_004 INORGANIC-202411 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 11-18-2021 36 2024/11
CA3600172_004_004 INORGANIC-202411 1005 ARSENIC 3.000 2.000 UG/L 10 2 11-18-2021 36 2024/11
CA3600172_004_004 INORGANIC-202411 1010 BARIUM < 100.000 UG/L 1000 100 11-18-2021 36 2024/11
CA3600172_004_004 INORGANIC-202411 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 11-18-2021 36 2024/11
CA3600172_004_004 INORGANIC-202411 1015 CADMIUM < 1.000 UG/L 5 1 11-18-2021 36 2024/11
CA3600172_004_004 INORGANIC-202411 1020 CHROMIUM 16.000 10.000 UG/L 50 10 11-18-2021 36 2024/11
CA3600172_004_004 INORGANIC-202510 1024 CYANIDE < 100.000 UG/L 150 100 10-05-2022 36 2025/10
CA3600172_004_004 INORGANIC-202510 1025 FLUORIDE 1.300 0.100 MG/L 2 .1 10-05-2022 36 2025/10
CA3600172_004_004 INORGANIC-202411 1035 MERCURY < 1.000 UG/L 2 1 11-18-2021 36 2024/11
CA3600172_004_004 INORGANIC-202411 1036 NICKEL < 10.000 UG/L 100 10 11-18-2021 36 2024/11
CA3600172_004_004 INORGANIC-202510 1039 PERCHLORATE < 2.000 UG/L 6 2 10-05-2022 36 2025/10
CA3600172_004_004 INORGANIC-202411 1045 SELENIUM < 5.000 UG/L 50 5 11-18-2021 36 2024/11
CA3600172_004_004 INORGANIC-202411 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 11-18-2021 36 2024/11
CA3600172_004_004 NITRATE/NITRITE-202410 1040 NITRATE 5.800 0.400 MG/L 10 .4 10-30-2023 12 2024/10
CA3600172_004_004 NITRATE/NITRITE-202510 1041 NITRITE < 0.400 MG/L 1 .4 10-05-2022 36 2025/10
CA3600172_004_004 RADIOLOGICAL-202411 4109 GROSS ALPHA PARTICLE ACTIVITY 6.790 +/- 1.520 1.480 PCI/L 15 3 11-18-2021 36 2024/11
CA3600172_004_004 RADIOLOGICAL-202411 4006 COMBINED URANIUM 5.370 +/- 0.000 1.000 PCI/L 20 1 11-18-2021 36 2024/11
CA3600172_004_004 REGULATED VOC-202510 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2990 BENZENE < 0.500 UG/L 1 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2251 METHYL TERT-BUTYL ETHER < 0.500 UG/L 13 3 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2996 STYRENE < 0.500 UG/L 100 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2991 TOLUENE < 0.500 UG/L 150 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED VOC-202510 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202610 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 10-30-2023 36 2026/10
CA3600172_004_004 REGULATED SOC-202510 2063 2,3,7,8-TCDD < 0.005 NG/L 0.03 0.005 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2110 2,4,5-TP < 1.000 UG/L 50 1 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2105 2,4-D < 10.000 UG/L 70 10 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2050 ATRAZINE < 0.500 UG/L 1 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2625 BENTAZON < 2.000 UG/L 18 2 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2306 BENZO(A)PYRENE < 0.100 UG/L .2 .1 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2046 CARBOFURAN < 5.000 UG/L 18 5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2959 CHLORDANE < 0.100 UG/L .1 .1 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2031 DALAPON < 10.000 UG/L 200 10 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2035 DI(2-ETHYLHEXYL) ADIPATE < 5.000 UG/L 400 5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2041 DINOSEB < 2.000 UG/L 7 2 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2032 DIQUAT < 4.000 UG/L 20 4 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2033 ENDOTHALL < 45.000 UG/L 100 45 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2005 ENDRIN < 0.100 UG/L 2 .1 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2034 GLYPHOSATE < 25.000 UG/L 700 25 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2065 HEPTACHLOR < 0.010 UG/L .01 .01 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2274 HEXACHLOROBENZENE < 0.500 UG/L 1 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2042 HEXACHLOROCYCLOPENTADIENE < 1.000 UG/L 50 1 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2010 BHC-GAMMA < 0.200 UG/L .2 .2 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2015 METHOXYCHLOR < 10.000 UG/L 30 10 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2626 MOLINATE < 2.000 UG/L 20 2 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2036 OXAMYL < 20.000 UG/L 50 20 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2040 PICLORAM < 1.000 UG/L 500 1 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2383 TOTAL POLYCHLORINATED BIPHENYLS (PCB) < 0.500 UG/L .5 .5 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2037 SIMAZINE < 1.000 UG/L 4 1 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2727 THIOBENCARB (BOLERO) < 1.000 UG/L 70 1 10-05-2022 36 2025/10
CA3600172_004_004 REGULATED SOC-202510 2020 TOXAPHENE < 1.000 UG/L 3 1 10-05-2022 36 2025/10
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.