Date:05-19-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4810002SYSTEM NAME:CALIFORNIA WATER SERVICE CO. - DIXONCOUNTY:SOLANO 
SOURCE NO.:004SOURCE NAME:WELL 03-01SOURCE CLASS:STBYSTATUS: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
CA4810002_004_004 SECONDARY/GP-203010 1994 AGGRESSIVE INDEX 12.000 AGGR 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1928 ALKALINITY, BICARBONATE 450.000 3.000 MG/L 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1919 CALCIUM 62.000 0.100 MG/L 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1929 ALKALINITY, CARBONATE < 3.000 MG/L 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1017 CHLORIDE 22.000 1.000 MG/L 500 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1905 COLOR < 5.000 UNITS 15 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1022 COPPER, FREE 13.000 5.000 UG/L 1000 50 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1915 HARDNESS, TOTAL (AS CACO3) 460.000 0.410 MG/L 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1021 HYDROXIDE AS CALCIUM CARBONATE < 3.000 MG/L 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1028 IRON 38.000 30.000 UG/L 300 100 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1031 MAGNESIUM 75.000 0.100 MG/L 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1032 MANGANESE < 10.000 UG/L 50 20 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1920 ODOR < 1.000 TON 3 1 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-202112 1925 PH 8.100 pH 12-26-2012 108 2021/12 DUE NOW
CA4810002_004_004 SECONDARY/GP-203010 1050 SILVER < 10.000 UG/L 100 10 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1052 SODIUM 40.000 1.000 MG/L 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203011 1064 CONDUCTIVITY @ 25 C UMHOS/CM 930.000 1.000 UMHO/CM 1600 11-15-2021 108 2030/11
CA4810002_004_004 SECONDARY/GP-203010 1055 SULFATE 51.000 1.000 MG/L 500 .5 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1930 TDS 540.000 5.000 MG/L 1000 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 0100 TURBIDITY 0.200 0.100 NTU 5 .1 10-26-2021 108 2030/10
CA4810002_004_004 SECONDARY/GP-203010 1095 ZINC < 50.000 UG/L 5000 50 10-26-2021 108 2030/10
CA4810002_004_004 INORGANIC-203010 1002 ALUMINUM < 50.000 UG/L 1000 50 10-26-2021 108 2030/10
CA4810002_004_004 INORGANIC-203010 1074 ANTIMONY, TOTAL < 2.000 UG/L 6 6 10-26-2021 108 2030/10
CA4810002_004_004 INORGANIC-203010 1005 ARSENIC < 2.000 UG/L 10 2 10-26-2021 108 2030/10
CA4810002_004_004 INORGANIC-203010 1010 BARIUM 380.000 50.000 UG/L 1000 100 10-26-2021 108 2030/10
CA4810002_004_004 INORGANIC-203010 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 10-26-2021 108 2030/10
CA4810002_004_004 INORGANIC-203010 1015 CADMIUM < 1.000 UG/L 5 1 10-26-2021 108 2030/10
CA4810002_004_004 INORGANIC-203010 1020 CHROMIUM 26.000 10.000 UG/L 50 10 10-26-2021 108 2030/10
CA4810002_004_004 INORGANIC-203010 1025 FLUORIDE 0.100 0.100 MG/L 2 .1 10-26-2021 108 2030/10
CA4810002_004_004 INORGANIC-203010 1030 LEAD < 1.000 UG/L 5 10-26-2021 108 2030/10
CA4810002_004_004 INORGANIC-203010 1035 MERCURY < 0.200 UG/L 2 1 10-26-2021 108 2030/10
CA4810002_004_004 INORGANIC-203010 1036 NICKEL < 10.000 UG/L 100 10 10-26-2021 108 2030/10
CA4810002_004_004 INORGANIC-202112 1039 PERCHLORATE < 4.000 UG/L 6 4 12-26-2012 108 2021/12 DUE NOW
CA4810002_004_004 INORGANIC-203010 1045 SELENIUM < 2.000 UG/L 50 5 10-26-2021 108 2030/10
CA4810002_004_004 INORGANIC-203010 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 10-26-2021 108 2030/10
CA4810002_004_004 NITRATE/NITRITE-203010 1040 NITRATE 13.000 0.230 MG/L 10 .4 10-26-2021 108 2030/10
CA4810002_004_004 NITRATE/NITRITE-203010 1041 NITRITE < 0.050 MG/L 1 .4 10-26-2021 108 2030/10
CA4810002_004_004 RADIOLOGICAL-202512 4109 GROSS ALPHA PARTICLE ACTIVITY < 1.400 PCI/L 15 3 12-14-2016 108 2025/12
CA4810002_004_004 REGULATED VOC-202312 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2990 BENZENE < 0.500 UG/L 1 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2996 STYRENE < 0.500 UG/L 100 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2991 TOLUENE < 0.500 UG/L 150 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED VOC-202312 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2063 2,3,7,8-TCDD < NG/L 0.03 0.005 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2110 2,4,5-TP < 1.000 UG/L 50 1 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2105 2,4-D < 10.000 UG/L 70 10 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2050 ATRAZINE < 0.500 UG/L 1 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2625 BENTAZON < 2.000 UG/L 18 2 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2306 BENZO(A)PYRENE < 0.100 UG/L .2 .1 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2046 CARBOFURAN < 5.000 UG/L 18 5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2959 CHLORDANE < 0.100 UG/L .1 .1 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2031 DALAPON < 10.000 UG/L 200 10 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2035 DI(2-ETHYLHEXYL) ADIPATE < 5.000 UG/L 400 5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202703 2931 1,2-DIBROMO-3-CHLOROPROPANE < UG/L .2 .01 03-07-2018 108 2027/03
CA4810002_004_004 REGULATED SOC-202312 2041 DINOSEB < 2.000 UG/L 7 2 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2032 DIQUAT < 4.000 UG/L 20 4 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2033 ENDOTHALL < 45.000 UG/L 100 45 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2005 ENDRIN < 0.100 UG/L 2 .1 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202703 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 03-07-2018 108 2027/03
CA4810002_004_004 REGULATED SOC-202312 2034 GLYPHOSATE < 25.000 UG/L 700 25 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2065 HEPTACHLOR < UG/L .01 .01 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2067 HEPTACHLOR EPOXIDE < UG/L .01 .01 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2274 HEXACHLOROBENZENE < 0.500 UG/L 1 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2042 HEXACHLOROCYCLOPENTADIENE < 1.000 UG/L 50 1 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2010 BHC-GAMMA < 0.200 UG/L .2 .2 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2015 METHOXYCHLOR < 10.000 UG/L 30 10 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2626 MOLINATE < 2.000 UG/L 20 2 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2036 OXAMYL < 20.000 UG/L 50 20 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2040 PICLORAM < 1.000 UG/L 500 1 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2383 TOTAL POLYCHLORINATED BIPHENYLS (PCB) < 0.500 UG/L .5 .5 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2037 SIMAZINE < 1.000 UG/L 4 1 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2727 THIOBENCARB (BOLERO) < 1.000 UG/L 70 1 12-30-2014 108 2023/12 DUE NOW
CA4810002_004_004 REGULATED SOC-202312 2020 TOXAPHENE < 1.000 UG/L 3 1 12-30-2014 108 2023/12 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.