Date:05-21-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4900546SYSTEM NAME:HAWKINS WATER CO-CAL WATER SERVICE (PUC)COUNTY:SONOMA 
SOURCE NO.:002SOURCE NAME:WELL 01 - STANDBYSOURCE CLASS:CSBRSTATUS: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
CA4900546_002_002 SECONDARY/GP-202501 1928 ALKALINITY, BICARBONATE 210.000 MG/L 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 1919 CALCIUM 30.000 MG/L 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 1929 ALKALINITY, CARBONATE < MG/L 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 1017 CHLORIDE 39.000 MG/L 500 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 1905 COLOR 10.000 UNITS 15 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 1022 COPPER, FREE < 50.000 UG/L 1000 50 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 2905 FOAMING AGENTS (SURFACTANTS) < MG/L .5 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 1915 HARDNESS, TOTAL (AS CACO3) 170.000 MG/L 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 1021 HYDROXIDE AS CALCIUM CARBONATE < MG/L 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-203207 1028 IRON < 30.000 UG/L 300 100 07-18-2023 108 2032/07
CA4900546_002_002 SECONDARY/GP-202501 1031 MAGNESIUM 23.000 MG/L 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-203207 1032 MANGANESE 530.000 10.000 UG/L 50 20 07-18-2023 108 2032/07
CA4900546_002_002 SECONDARY/GP-202501 1920 ODOR < 1.000 TON 3 1 01-25-2016 108 2025/01
CA4900546_002_002 GENERAL NON CHAP 15-202501 C253 PH, FIELD 7.500 pH 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 1050 SILVER < 10.000 UG/L 100 10 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 1052 SODIUM 29.000 MG/L 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 1064 CONDUCTIVITY @ 25 C UMHOS/CM 450.000 UMHO/CM 1600 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 1055 SULFATE 4.300 0.500 MG/L 500 .5 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 1930 TDS 280.000 MG/L 1000 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 0100 TURBIDITY 4.600 0.100 NTU 5 .1 01-25-2016 108 2025/01
CA4900546_002_002 SECONDARY/GP-202501 1095 ZINC 100.000 50.000 UG/L 5000 50 01-25-2016 108 2025/01
CA4900546_002_002 INORGANIC-202501 1002 ALUMINUM < 50.000 UG/L 1000 50 01-25-2016 108 2025/01
CA4900546_002_002 INORGANIC-202501 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 01-25-2016 108 2025/01
CA4900546_002_002 INORGANIC-203207 1005 ARSENIC 4.300 2.000 UG/L 10 2 07-18-2023 108 2032/07
CA4900546_002_002 INORGANIC-202501 1094 ASBESTOS < 0.200 MFL 7 .2 01-25-2016 108 2025/01
CA4900546_002_002 INORGANIC-202501 1010 BARIUM 140.000 100.000 UG/L 1000 100 01-25-2016 108 2025/01
CA4900546_002_002 INORGANIC-202501 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 01-25-2016 108 2025/01
CA4900546_002_002 INORGANIC-202501 1015 CADMIUM < 1.000 UG/L 5 1 01-25-2016 108 2025/01
CA4900546_002_002 INORGANIC-202501 1020 CHROMIUM < 10.000 UG/L 50 10 01-25-2016 108 2025/01
CA4900546_002_002 INORGANIC-202501 1025 FLUORIDE 0.130 0.100 MG/L 2 .1 01-25-2016 108 2025/01
CA4900546_002_002 INORGANIC-202501 1035 MERCURY < 1.000 UG/L 2 1 01-25-2016 108 2025/01
CA4900546_002_002 INORGANIC-202501 1036 NICKEL < 10.000 UG/L 100 10 01-25-2016 108 2025/01
CA4900546_002_002 INORGANIC-202501 1039 PERCHLORATE < 4.000 UG/L 6 4 01-25-2016 108 2025/01
CA4900546_002_002 INORGANIC-202501 1045 SELENIUM < 5.000 UG/L 50 5 01-25-2016 108 2025/01
CA4900546_002_002 INORGANIC-202501 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 01-25-2016 108 2025/01
CA4900546_002_002 NITRATE/NITRITE-203207 1040 NITRATE < 0.230 MG/L 10 .4 07-18-2023 108 2032/07
CA4900546_002_002 NITRATE/NITRITE-202501 1041 NITRITE < 0.400 MG/L 1 .4 01-25-2016 108 2025/01
CA4900546_002_002 RADIOLOGICAL-202501 4109 GROSS ALPHA PARTICLE ACTIVITY < 3.000 PCI/L 15 3 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2990 BENZENE < 0.500 UG/L 1 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2996 STYRENE < 0.500 UG/L 100 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2991 TOLUENE < 0.500 UG/L 150 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED VOC-202501 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED SOC-202709 2414 1,2,3-TRICHLOROPROPANE < UG/L 0.005 09-26-2018 108 2027/09
CA4900546_002_002 REGULATED SOC-202501 2110 2,4,5-TP < 1.000 UG/L 50 1 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED SOC-202501 2050 ATRAZINE < 0.500 UG/L 1 .5 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED SOC-202501 2031 DALAPON < 10.000 UG/L 200 10 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED SOC-202501 2032 DIQUAT < 4.000 UG/L 20 4 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED SOC-202501 2033 ENDOTHALL < 45.000 UG/L 100 45 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED SOC-202709 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 09-26-2018 108 2027/09
CA4900546_002_002 REGULATED SOC-202501 2065 HEPTACHLOR < UG/L .01 .01 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED SOC-202501 2067 HEPTACHLOR EPOXIDE < UG/L .01 .01 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED SOC-202501 2010 BHC-GAMMA < 0.200 UG/L .2 .2 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED SOC-202501 2015 METHOXYCHLOR < 10.000 UG/L 30 10 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED SOC-202501 2036 OXAMYL < 20.000 UG/L 50 20 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED SOC-202501 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED SOC-202501 2040 PICLORAM < 1.000 UG/L 500 1 01-25-2016 108 2025/01
CA4900546_002_002 REGULATED SOC-202501 2037 SIMAZINE < 1.000 UG/L 4 1 01-25-2016 108 2025/01
CA4900546_002_002 GENERAL NON CHAP 15-202501 1927 ALKALINITY, TOTAL 170.000 MG/L 01-25-2016 108 2025/01
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.