Date:05-14-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4910020SYSTEM NAME:SONOMA COUNTY WATER AGENCYCOUNTY:SONOMA 
SOURCE NO.:020SOURCE NAME:SEBASTOPOL RD WELL 02SOURCE CLASS:CLGASTATUS: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
CA4910020_020_020 SECONDARY/GP-202608 1928 ALKALINITY, BICARBONATE 110.000 5.000 MG/L 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 1919 CALCIUM 13.000 1.000 MG/L 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 1929 ALKALINITY, CARBONATE < 5.000 MG/L 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 1017 CHLORIDE 16.000 0.500 MG/L 500 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202404 1905 COLOR 18.000 5.000 UNITS 15 01-23-2024 3 2024/04 DUE NOW
CA4910020_020_020 SECONDARY/GP-202608 1022 COPPER, FREE < 50.000 UG/L 1000 50 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 1915 HARDNESS, TOTAL (AS CACO3) 45.000 5.000 MG/L 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 1028 IRON 590.000 100.000 UG/L 300 100 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 1031 MAGNESIUM 3.400 1.000 MG/L 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202404 1032 MANGANESE 66.000 20.000 UG/L 50 20 01-23-2024 3 2024/04 DUE NOW
CA4910020_020_020 SECONDARY/GP-202404 1920 ODOR 7.900 1.000 TON 3 1 01-23-2024 3 2024/04 DUE NOW
CA4910020_020_020 SECONDARY/GP-202608 1925 PH 8.260 1.680 pH 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 1050 SILVER < 10.000 UG/L 100 10 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 1052 SODIUM 45.000 1.000 MG/L 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 1064 CONDUCTIVITY @ 25 C UMHOS/CM 260.000 20.000 UMHO/CM 1600 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 1055 SULFATE 7.200 0.500 MG/L 500 .5 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 1930 TDS 170.000 10.000 MG/L 1000 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 0100 TURBIDITY 1.700 0.100 NTU 5 .1 08-22-2023 36 2026/08
CA4910020_020_020 SECONDARY/GP-202608 1095 ZINC < 50.000 UG/L 5000 50 08-22-2023 36 2026/08
CA4910020_020_020 INORGANIC-203208 1002 ALUMINUM < 50.000 UG/L 1000 50 08-22-2023 108 2032/08
CA4910020_020_020 INORGANIC-203208 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 08-22-2023 108 2032/08
CA4910020_020_020 INORGANIC-202608 1005 ARSENIC < 2.000 UG/L 10 2 08-22-2023 36 2026/08
CA4910020_020_020 INORGANIC-203208 1094 ASBESTOS < 0.200 MFL 7 .2 08-22-2023 108 2032/08
CA4910020_020_020 INORGANIC-203208 1010 BARIUM < 100.000 UG/L 1000 100 08-22-2023 108 2032/08
CA4910020_020_020 INORGANIC-203208 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 08-22-2023 108 2032/08
CA4910020_020_020 INORGANIC-203208 1015 CADMIUM < 1.000 UG/L 5 1 08-22-2023 108 2032/08
CA4910020_020_020 INORGANIC-203208 1020 CHROMIUM < 10.000 UG/L 50 10 08-22-2023 108 2032/08
CA4910020_020_020 INORGANIC-203208 1025 FLUORIDE 0.120 0.100 MG/L 2 .1 08-22-2023 108 2032/08
CA4910020_020_020 INORGANIC-203208 1035 MERCURY < 0.200 UG/L 2 1 08-22-2023 108 2032/08
CA4910020_020_020 INORGANIC-203208 1036 NICKEL < 10.000 UG/L 100 10 08-22-2023 108 2032/08
CA4910020_020_020 INORGANIC-202608 1039 PERCHLORATE < 2.000 UG/L 6 2 08-22-2023 36 2026/08
CA4910020_020_020 INORGANIC-203208 1045 SELENIUM < 5.000 UG/L 50 5 08-22-2023 108 2032/08
CA4910020_020_020 INORGANIC-203208 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 08-22-2023 108 2032/08
CA4910020_020_020 NITRATE/NITRITE-202408 1040 NITRATE < 0.400 MG/L 10 .4 08-22-2023 12 2024/08
CA4910020_020_020 NITRATE/NITRITE-202608 1041 NITRITE < 0.200 MG/L 1 .4 08-22-2023 36 2026/08
CA4910020_020_020 RADIOLOGICAL-203210 4109 GROSS ALPHA PARTICLE ACTIVITY 1.480 +/- 0.866 0.859 PCI/L 15 3 10-31-2023 108 2032/10
CA4910020_020_020 REGULATED VOC-202908 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2990 BENZENE < 0.500 UG/L 1 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202608 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 08-22-2023 36 2026/08
CA4910020_020_020 REGULATED VOC-202908 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2996 STYRENE < 0.500 UG/L 100 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2991 TOLUENE < 0.500 UG/L 150 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED VOC-202908 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 08-22-2023 72 2029/08
CA4910020_020_020 REGULATED SOC-203208 2110 2,4,5-TP < 1.000 UG/L 50 1 08-22-2023 108 2032/08
CA4910020_020_020 REGULATED SOC-203208 2105 2,4-D < 10.000 UG/L 70 10 08-22-2023 108 2032/08
CA4910020_020_020 REGULATED SOC-202608 2050 ATRAZINE < 0.100 UG/L 1 .5 08-22-2023 36 2026/08
CA4910020_020_020 REGULATED SOC-202608 2046 CARBOFURAN < 5.000 UG/L 18 5 08-22-2023 36 2026/08
CA4910020_020_020 REGULATED SOC-202608 2031 DALAPON < 10.000 UG/L 200 10 08-22-2023 36 2026/08
CA4910020_020_020 REGULATED SOC-202608 2041 DINOSEB < 2.000 UG/L 7 2 08-22-2023 36 2026/08
CA4910020_020_020 REGULATED SOC-202608 2032 DIQUAT < 4.000 UG/L 20 4 08-22-2023 36 2026/08
CA4910020_020_020 REGULATED SOC-202608 2033 ENDOTHALL < 45.000 UG/L 100 45 08-22-2023 36 2026/08
CA4910020_020_020 REGULATED SOC-203208 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 08-22-2023 108 2032/08
CA4910020_020_020 REGULATED SOC-203208 2065 HEPTACHLOR < 0.010 UG/L .01 .01 08-22-2023 108 2032/08
CA4910020_020_020 REGULATED SOC-203208 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 08-22-2023 108 2032/08
CA4910020_020_020 REGULATED SOC-203208 2010 BHC-GAMMA < 0.200 UG/L .2 .2 08-22-2023 108 2032/08
CA4910020_020_020 REGULATED SOC-203208 2015 METHOXYCHLOR < 10.000 UG/L 30 10 08-22-2023 108 2032/08
CA4910020_020_020 REGULATED SOC-202608 2036 OXAMYL < 20.000 UG/L 50 20 08-22-2023 36 2026/08
CA4910020_020_020 REGULATED SOC-202608 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 08-22-2023 36 2026/08
CA4910020_020_020 REGULATED SOC-202608 2040 PICLORAM < 1.000 UG/L 500 1 08-22-2023 36 2026/08
CA4910020_020_020 REGULATED SOC-202608 2037 SIMAZINE < 0.100 UG/L 4 1 08-22-2023 36 2026/08
CA4910020_020_020 REGULATED SOC-203208 2020 TOXAPHENE < 0.500 UG/L 3 1 08-22-2023 108 2032/08
CA4910020_020_020 GENERAL NON CHAP 15-202608 1927 ALKALINITY, TOTAL 110.000 5.000 MG/L 08-22-2023 36 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.