Date:02-07-2026STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:0600012SYSTEM NAME:COLUSA CO. SERVICE AREA #1-CENTURY RANCHCOUNTY:COLUSA 
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
CA0600012_002_002 SECONDARY/GP 1928 ALKALINITY, BICARBONATE 280.000 10.000 MG/L 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1919 CALCIUM 36.000 1.000 MG/L 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1929 ALKALINITY, CARBONATE < 10.000 MG/L 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1017 CHLORIDE 16.000 1.000 MG/L 500 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1905 COLOR < 5.000 UNITS 15 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1022 COPPER, FREE < 50.000 UG/L 1000 50 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1915 HARDNESS, TOTAL (AS CACO3) 217.000 1.000 MG/L 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1021 HYDROXIDE AS CALCIUM CARBONATE < 10.000 MG/L 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1028 IRON < 30.000 UG/L 300 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1031 MAGNESIUM 31.000 1.000 MG/L 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1032 MANGANESE < 10.000 UG/L 50 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1920 ODOR < 1.000 TON 3 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP C253 PH, FIELD 7.430 pH 07-18-2024 12 2025/07 DUE NOW
CA0600012_002_002 SECONDARY/GP 1050 SILVER < 1.000 UG/L 100 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1052 SODIUM 14.000 1.000 MG/L 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1064 CONDUCTIVITY @ 25 C UMHOS/CM 492.000 UMHO/CM 1600 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1055 SULFATE 11.200 0.500 MG/L 500 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1930 TDS 260.000 20.000 MG/L 1000 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 0100 TURBIDITY 0.100 0.100 NTU 5 07-18-2024 108 2033/07
CA0600012_002_002 SECONDARY/GP 1095 ZINC < 20.000 UG/L 5000 07-18-2024 108 2033/07
CA0600012_002_002 INORGANIC 1002 ALUMINUM < 50.000 UG/L 1000 50 07-18-2024 108 2033/07
CA0600012_002_002 INORGANIC 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 07-18-2024 108 2033/07
CA0600012_002_002 INORGANIC 1005 ARSENIC < 2.000 UG/L 10 2 07-18-2024 108 2033/07
CA0600012_002_002 INORGANIC 1094 ASBESTOS < 0.200 MFL 7 .2 03-20-2025 108 2034/03
CA0600012_002_002 INORGANIC 1010 BARIUM 122.000 100.000 UG/L 1000 100 07-18-2024 108 2033/07
CA0600012_002_002 INORGANIC 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-18-2024 108 2033/07
CA0600012_002_002 INORGANIC 1015 CADMIUM < 1.000 UG/L 5 1 07-18-2024 108 2033/07
CA0600012_002_002 INORGANIC 1020 CHROMIUM < 10.000 UG/L 50 10 07-18-2024 108 2033/07
CA0600012_002_002 INORGANIC 1080 CHROMIUM, HEX < 1.000 UG/L 10 .1 01-23-2025 12 2026/01 DUE NOW
CA0600012_002_002 INORGANIC 1025 FLUORIDE < 0.100 MG/L 2 .1 07-18-2024 108 2033/07
CA0600012_002_002 INORGANIC 1035 MERCURY < 1.000 UG/L 2 1 07-18-2024 108 2033/07
CA0600012_002_002 INORGANIC 1036 NICKEL < 10.000 UG/L 100 10 07-18-2024 108 2033/07
CA0600012_002_002 INORGANIC 1039 PERCHLORATE < 1.000 UG/L 6 1 07-17-2025 12 2026/07
CA0600012_002_002 INORGANIC 1045 SELENIUM < 5.000 UG/L 50 5 07-18-2024 108 2033/07
CA0600012_002_002 INORGANIC 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-18-2024 108 2033/07
CA0600012_002_002 NITRATE/NITRITE 1040 NITRATE < 0.400 MG/L 10 .4 07-17-2025 12 2026/07
CA0600012_002_002 NITRATE/NITRITE 1041 NITRITE < 0.400 MG/L 1 .4 07-18-2024 36 2027/07
CA0600012_002_002 RADIOLOGICAL 4109 GROSS ALPHA PARTICLE ACTIVITY < 1.400 PCI/L 15 3 01-16-2020 108 2029/01
CA0600012_002_002 RADIOLOGICAL 4030 RADIUM-228 0.023 +/- 0.652 0.400 PCI/L 1 01-16-2020 108 2029/01
CA0600012_004_004 SECONDARY/GP 1928 ALKALINITY, BICARBONATE 460.000 10.000 MG/L 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1919 CALCIUM 75.000 1.000 MG/L 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1929 ALKALINITY, CARBONATE < 10.000 MG/L 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1017 CHLORIDE 3.000 1.000 MG/L 500 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1905 COLOR < 5.000 UNITS 15 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1022 COPPER, FREE < 50.000 UG/L 1000 50 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1915 HARDNESS, TOTAL (AS CACO3) 492.000 1.000 MG/L 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1021 HYDROXIDE AS CALCIUM CARBONATE < 10.000 MG/L 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1028 IRON 40.000 30.000 UG/L 300 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1031 MAGNESIUM 74.000 1.000 MG/L 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1032 MANGANESE 90.000 10.000 UG/L 50 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1920 ODOR < 1.000 TON 3 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP C253 PH, FIELD 7.180 pH 07-18-2024 36 2027/07
CA0600012_004_004 SECONDARY/GP 1050 SILVER < 1.000 UG/L 100 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1052 SODIUM 10.000 1.000 MG/L 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1064 CONDUCTIVITY @ 25 C UMHOS/CM 949.000 UMHO/CM 1600 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1055 SULFATE 167.000 0.500 MG/L 500 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1930 TDS 640.000 20.000 MG/L 1000 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 0100 TURBIDITY 0.250 0.100 NTU 5 07-18-2024 108 2033/07
CA0600012_004_004 SECONDARY/GP 1095 ZINC < 20.000 UG/L 5000 07-18-2024 108 2033/07
CA0600012_004_004 INORGANIC 1002 ALUMINUM < 50.000 UG/L 1000 50 07-18-2024 108 2033/07
CA0600012_004_004 INORGANIC 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 07-18-2024 108 2033/07
CA0600012_004_004 INORGANIC 1005 ARSENIC < 2.000 UG/L 10 2 07-18-2024 36 2027/07
CA0600012_004_004 INORGANIC 1010 BARIUM < 100.000 UG/L 1000 100 07-18-2024 108 2033/07
CA0600012_004_004 INORGANIC 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-18-2024 108 2033/07
CA0600012_004_004 INORGANIC 1015 CADMIUM < 1.000 UG/L 5 1 07-18-2024 108 2033/07
CA0600012_004_004 INORGANIC 1020 CHROMIUM 14.000 10.000 UG/L 50 10 07-18-2024 108 2033/07
CA0600012_004_004 INORGANIC 1080 CHROMIUM, HEX < 1.000 UG/L 10 .1 01-23-2025 36 2028/01
CA0600012_004_004 INORGANIC 1025 FLUORIDE < 0.100 MG/L 2 .1 07-18-2024 108 2033/07
CA0600012_004_004 INORGANIC 1035 MERCURY < 1.000 UG/L 2 1 07-18-2024 108 2033/07
CA0600012_004_004 INORGANIC 1036 NICKEL < 10.000 UG/L 100 10 07-18-2024 108 2033/07
CA0600012_004_004 INORGANIC 1039 PERCHLORATE < 2.000 UG/L 6 2 07-20-2023 36 2026/07
CA0600012_004_004 INORGANIC 1045 SELENIUM < 5.000 UG/L 50 5 07-18-2024 108 2033/07
CA0600012_004_004 INORGANIC 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-18-2024 108 2033/07
CA0600012_004_004 NITRATE/NITRITE 1040 NITRATE < 0.400 MG/L 10 .4 07-17-2025 12 2026/07
CA0600012_004_004 NITRATE/NITRITE 1041 NITRITE < 0.400 MG/L 1 .4 07-18-2024 36 2027/07
CA0600012_004_004 RADIOLOGICAL 4109 GROSS ALPHA PARTICLE ACTIVITY 1.590 +/- 0.825 1.000 PCI/L 15 3 01-09-2020 108 2029/01
CA0600012_004_004 RADIOLOGICAL 4030 RADIUM-228 0.166 +/- 0.653 0.400 PCI/L 1 01-09-2020 108 2029/01
CA0600012_004_004 REGULATED VOC 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2990 BENZENE < 0.500 UG/L 1 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2996 STYRENE < 0.500 UG/L 100 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2991 TOLUENE < 0.500 UG/L 150 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-18-2024 72 2030/07
CA0600012_004_004 REGULATED VOC 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-18-2024 72 2030/07
CA0600012_010_010 SECONDARY/GP 1928 ALKALINITY, BICARBONATE 300.000 10.000 MG/L 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1919 CALCIUM 8.000 1.000 MG/L 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1929 ALKALINITY, CARBONATE < 10.000 MG/L 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1017 CHLORIDE 60.000 1.000 MG/L 500 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1905 COLOR < 5.000 UNITS 15 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1022 COPPER, FREE < 50.000 UG/L 1000 50 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1915 HARDNESS, TOTAL (AS CACO3) 28.200 1.000 MG/L 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1021 HYDROXIDE AS CALCIUM CARBONATE < 10.000 MG/L 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1028 IRON < 100.000 UG/L 300 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1031 MAGNESIUM 2.000 1.000 MG/L 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1032 MANGANESE < 20.000 UG/L 50 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1920 ODOR < 1.000 TON 3 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP C253 PH, FIELD 7.950 pH 07-21-2022 36 2025/07 DUE NOW
CA0600012_010_010 SECONDARY/GP 1050 SILVER < 10.000 UG/L 100 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1052 SODIUM 145.000 1.000 MG/L 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1064 CONDUCTIVITY @ 25 C UMHOS/CM 679.000 UMHO/CM 1600 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1055 SULFATE 0.800 0.500 MG/L 500 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1930 TDS 370.000 40.000 MG/L 1000 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 0100 TURBIDITY 1.300 0.100 NTU 5 07-21-2022 108 2031/07
CA0600012_010_010 SECONDARY/GP 1095 ZINC < 50.000 UG/L 5000 07-21-2022 108 2031/07
CA0600012_010_010 INORGANIC 1002 ALUMINUM < 50.000 UG/L 1000 50 07-21-2022 108 2031/07
CA0600012_010_010 INORGANIC 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 07-21-2022 108 2031/07
CA0600012_010_010 INORGANIC 1005 ARSENIC < 2.000 UG/L 10 2 07-17-2025 36 2028/07
CA0600012_010_010 INORGANIC 1010 BARIUM 532.000 100.000 UG/L 1000 100 07-21-2022 108 2031/07
CA0600012_010_010 INORGANIC 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-21-2022 108 2031/07
CA0600012_010_010 INORGANIC 1015 CADMIUM < 1.000 UG/L 5 1 07-21-2022 108 2031/07
CA0600012_010_010 INORGANIC 1020 CHROMIUM < 10.000 UG/L 50 10 07-21-2022 108 2031/07
CA0600012_010_010 INORGANIC 1080 CHROMIUM, HEX < 1.000 UG/L 10 .1 01-23-2025 36 2028/01
CA0600012_010_010 INORGANIC 1025 FLUORIDE 0.500 0.100 MG/L 2 .1 07-21-2022 108 2031/07
CA0600012_010_010 INORGANIC 1035 MERCURY < 1.000 UG/L 2 1 07-21-2022 108 2031/07
CA0600012_010_010 INORGANIC 1036 NICKEL < 10.000 UG/L 100 10 07-21-2022 108 2031/07
CA0600012_010_010 INORGANIC 1039 PERCHLORATE < 2.000 UG/L 6 2 07-20-2023 36 2026/07
CA0600012_010_010 INORGANIC 1045 SELENIUM < 5.000 UG/L 50 5 07-21-2022 108 2031/07
CA0600012_010_010 INORGANIC 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-21-2022 108 2031/07
CA0600012_010_010 NITRATE/NITRITE 1040 NITRATE < 0.400 MG/L 10 .4 07-17-2025 12 2026/07
CA0600012_010_010 NITRATE/NITRITE 1041 NITRITE < 0.400 MG/L 1 .4 07-17-2025 36 2028/07
CA0600012_010_010 RADIOLOGICAL 4109 GROSS ALPHA PARTICLE ACTIVITY 1.710 +/- 1.960 2.200 PCI/L 15 3 07-18-2019 108 2028/07
CA0600012_010_010 RADIOLOGICAL 4030 RADIUM-228 0.062 +/- 0.712 0.400 PCI/L 1 07-18-2019 108 2028/07
CA0600012_010_010 REGULATED VOC 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2990 BENZENE < 0.500 UG/L 1 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2996 STYRENE < 0.500 UG/L 100 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2991 TOLUENE < 0.500 UG/L 150 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-17-2025 72 2031/07
CA0600012_010_010 REGULATED VOC 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-17-2025 72 2031/07
CA0600012_012_012 SECONDARY/GP 1928 ALKALINITY, BICARBONATE 450.000 MG/L 07-05-2018 108 2027/07
CA0600012_012_012 SECONDARY/GP 1919 CALCIUM 54.000 MG/L 07-05-2018 108 2027/07
CA0600012_012_012 SECONDARY/GP 1929 ALKALINITY, CARBONATE < 10.000 MG/L 07-05-2018 108 2027/07
CA0600012_012_012 SECONDARY/GP 1017 CHLORIDE 3.000 MG/L 500 07-05-2018 108 2027/07
CA0600012_012_012 SECONDARY/GP 1905 COLOR < 5.000 UNITS 15 07-18-2024 108 2033/07
CA0600012_012_012 SECONDARY/GP 1022 COPPER, FREE < 50.000 UG/L 1000 50 07-18-2024 108 2033/07
CA0600012_012_012 SECONDARY/GP 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 07-18-2024 108 2033/07
CA0600012_012_012 SECONDARY/GP 1915 HARDNESS, TOTAL (AS CACO3) 402.000 MG/L 07-05-2018 108 2027/07
CA0600012_012_012 SECONDARY/GP 1021 HYDROXIDE AS CALCIUM CARBONATE < 10.000 MG/L 07-05-2018 108 2027/07
CA0600012_012_012 SECONDARY/GP 1028 IRON 100.000 100.000 UG/L 300 07-05-2018 108 2027/07
CA0600012_012_012 SECONDARY/GP 1031 MAGNESIUM 65.000 MG/L 07-05-2018 108 2027/07
CA0600012_012_012 SECONDARY/GP 1032 MANGANESE 20.000 20.000 UG/L 50 07-05-2018 108 2027/07
CA0600012_012_012 SECONDARY/GP 1920 ODOR < 1.000 TON 3 07-18-2024 108 2033/07
CA0600012_012_012 SECONDARY/GP C253 PH, FIELD pH 36 DUE NOW
CA0600012_012_012 SECONDARY/GP 1050 SILVER < 10.000 UG/L 100 07-05-2018 108 2027/07
CA0600012_012_012 SECONDARY/GP 1052 SODIUM 10.000 MG/L 07-05-2018 108 2027/07
CA0600012_012_012 SECONDARY/GP 1064 CONDUCTIVITY @ 25 C UMHOS/CM 745.000 UMHO/CM 1600 07-05-2018 108 2027/07
CA0600012_012_012 SECONDARY/GP 1055 SULFATE 61.600 0.500 MG/L 500 07-05-2018 108 2027/07
CA0600012_012_012 SECONDARY/GP 1930 TDS 430.000 MG/L 1000 07-05-2018 108 2027/07
CA0600012_012_012 SECONDARY/GP 0100 TURBIDITY 0.400 0.100 NTU 5 07-18-2024 108 2033/07
CA0600012_012_012 SECONDARY/GP 1095 ZINC < 50.000 UG/L 5000 07-05-2018 108 2027/07
CA0600012_012_012 INORGANIC 1002 ALUMINUM < 50.000 UG/L 1000 50 07-05-2018 108 2027/07
CA0600012_012_012 INORGANIC 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 07-05-2018 108 2027/07
CA0600012_012_012 INORGANIC 1005 ARSENIC < 2.000 UG/L 10 2 07-18-2024 36 2027/07
CA0600012_012_012 INORGANIC 1010 BARIUM 234.000 100.000 UG/L 1000 100 07-05-2018 108 2027/07
CA0600012_012_012 INORGANIC 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-05-2018 108 2027/07
CA0600012_012_012 INORGANIC 1015 CADMIUM < 1.000 UG/L 5 1 07-05-2018 108 2027/07
CA0600012_012_012 INORGANIC 1020 CHROMIUM < 10.000 UG/L 50 10 07-05-2018 108 2027/07
CA0600012_012_012 INORGANIC 1080 CHROMIUM, HEX < 1.000 UG/L 10 .1 01-23-2025 36 2028/01
CA0600012_012_012 INORGANIC 1025 FLUORIDE < 0.100 MG/L 2 .1 07-05-2018 108 2027/07
CA0600012_012_012 INORGANIC 1035 MERCURY < 1.000 UG/L 2 1 07-05-2018 108 2027/07
CA0600012_012_012 INORGANIC 1036 NICKEL < 10.000 UG/L 100 10 07-05-2018 108 2027/07
CA0600012_012_012 INORGANIC 1039 PERCHLORATE < 2.000 UG/L 6 1 07-18-2024 36 2027/07
CA0600012_012_012 INORGANIC 1045 SELENIUM < 5.000 UG/L 50 5 07-05-2018 108 2027/07
CA0600012_012_012 INORGANIC 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-05-2018 108 2027/07
CA0600012_012_012 NITRATE/NITRITE 1040 NITRATE < 0.400 MG/L 10 .4 07-17-2025 12 2026/07
CA0600012_012_012 NITRATE/NITRITE 1041 NITRITE < 0.400 MG/L 1 .4 07-18-2024 36 2027/07
CA0600012_012_012 RADIOLOGICAL 4109 GROSS ALPHA PARTICLE ACTIVITY 0.427 +/- 1.240 1.800 PCI/L 15 3 07-05-2018 108 2027/07
CA0600012_012_012 RADIOLOGICAL 4030 RADIUM-228 < 0.400 PCI/L 1 07-05-2018 108 2027/07
CA0600012_012_012 REGULATED VOC 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2990 BENZENE < 0.500 UG/L 1 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2996 STYRENE < 0.500 UG/L 100 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2991 TOLUENE < 0.500 UG/L 150 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-17-2025 72 2031/07
CA0600012_012_012 REGULATED VOC 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-17-2025 72 2031/07
CA0600012_DST_015 DISINFECTION BYPRODUCTS 2943 BROMODICHLOROMETHANE 7.000 1.000 UG/L 1 08-21-2025 12 2026/08
CA0600012_DST_015 DISINFECTION BYPRODUCTS 2942 BROMOFORM 1.000 1.000 UG/L 1 08-21-2025 12 2026/08
CA0600012_DST_015 DISINFECTION BYPRODUCTS 2941 CHLOROFORM 4.000 1.000 UG/L 1 08-21-2025 12 2026/08
CA0600012_DST_015 DISINFECTION BYPRODUCTS 2454 DIBROMOACETIC ACID < 1.000 UG/L 1 08-21-2025 12 2026/08
CA0600012_DST_015 DISINFECTION BYPRODUCTS 2944 DIBROMOCHLOROMETHANE 4.000 1.000 UG/L 1 08-21-2025 12 2026/08
CA0600012_DST_015 DISINFECTION BYPRODUCTS 2451 DICHLOROACETIC ACID < 1.000 UG/L 1 08-21-2025 12 2026/08
CA0600012_DST_015 DISINFECTION BYPRODUCTS 2456 TOTAL HALOACETIC ACIDS (HAA5) < 6.000 UG/L 60 08-21-2025 12 2026/08
CA0600012_DST_015 DISINFECTION BYPRODUCTS 2453 MONOBROMOACETIC ACID < 1.000 UG/L 1 08-21-2025 12 2026/08
CA0600012_DST_015 DISINFECTION BYPRODUCTS 2450 MONOCHLOROACETIC ACID < 2.000 UG/L 2 08-21-2025 12 2026/08
CA0600012_DST_015 DISINFECTION BYPRODUCTS 2950 TTHM 16.000 4.000 UG/L 80 08-21-2025 12 2026/08
CA0600012_DST_015 DISINFECTION BYPRODUCTS 2452 TRICHLOROACETIC ACID < 1.000 UG/L 1 08-21-2025 12 2026/08
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.