Date:05-19-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4900647SYSTEM NAME:SERENO DEL MAR WATER COMPANY (PUC)COUNTY:SONOMA 
SOURCE NO.:015SOURCE NAME:WELL 09SOURCE CLASS:CTGASTATUS: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
CA4900647_015_015 SECONDARY/GP-202401 1928 ALKALINITY, BICARBONATE 100.000 MG/L 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1919 CALCIUM 45.000 MG/L 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1929 ALKALINITY, CARBONATE < 1.000 MG/L 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1017 CHLORIDE 19.000 MG/L 500 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1905 COLOR 5.000 UNITS 15 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1022 COPPER, FREE < 50.000 UG/L 1000 50 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 2905 FOAMING AGENTS (SURFACTANTS) < 0.100 MG/L .5 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1915 HARDNESS, TOTAL (AS CACO3) 150.000 MG/L 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1021 HYDROXIDE AS CALCIUM CARBONATE < 1.000 MG/L 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1028 IRON 120.000 100.000 UG/L 300 100 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1031 MAGNESIUM 9.000 MG/L 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1032 MANGANESE 33.000 20.000 UG/L 50 20 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1920 ODOR < 1.000 TON 3 1 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1925 PH 7.500 pH 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1050 SILVER < 10.000 UG/L 100 10 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1052 SODIUM 20.000 MG/L 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1064 CONDUCTIVITY @ 25 C UMHOS/CM 380.000 UMHO/CM 1600 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1055 SULFATE 75.000 0.500 MG/L 500 .5 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1930 TDS 280.000 MG/L 1000 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 0100 TURBIDITY 0.250 0.100 NTU 5 .1 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 SECONDARY/GP-202401 1095 ZINC < 50.000 UG/L 5000 50 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 INORGANIC-203001 1002 ALUMINUM < 50.000 UG/L 1000 50 01-21-2021 108 2030/01
CA4900647_015_015 INORGANIC-203001 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 01-21-2021 108 2030/01
CA4900647_015_015 INORGANIC-202404 1005 ARSENIC < 2.000 UG/L 10 2 01-18-2024 3 2024/04 DUE NOW
CA4900647_015_015 INORGANIC-203209 1094 ASBESTOS < 0.190 MFL 7 .2 09-12-2023 108 2032/09
CA4900647_015_015 INORGANIC-203001 1010 BARIUM 120.000 100.000 UG/L 1000 100 01-21-2021 108 2030/01
CA4900647_015_015 INORGANIC-203001 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 01-21-2021 108 2030/01
CA4900647_015_015 INORGANIC-203001 1015 CADMIUM < 1.000 UG/L 5 1 01-21-2021 108 2030/01
CA4900647_015_015 INORGANIC-203001 1020 CHROMIUM < 1.000 UG/L 50 10 01-21-2021 108 2030/01
CA4900647_015_015 INORGANIC-203001 1025 FLUORIDE < 0.100 MG/L 2 .1 01-21-2021 108 2030/01
CA4900647_015_015 INORGANIC-203001 1035 MERCURY < 1.000 UG/L 2 1 01-21-2021 108 2030/01
CA4900647_015_015 INORGANIC-203001 1036 NICKEL < 10.000 UG/L 100 10 01-21-2021 108 2030/01
CA4900647_015_015 INORGANIC-202401 1039 PERCHLORATE < 4.000 UG/L 6 4 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 INORGANIC-203001 1045 SELENIUM < 5.000 UG/L 50 5 01-21-2021 108 2030/01
CA4900647_015_015 INORGANIC-203001 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 01-21-2021 108 2030/01
CA4900647_015_015 NITRATE/NITRITE-202409 1040 NITRATE < 0.400 MG/L 10 .4 09-12-2023 12 2024/09
CA4900647_015_015 NITRATE/NITRITE-202503 1041 NITRITE < 0.400 MG/L 1 .4 03-01-2022 36 2025/03
CA4900647_015_015 RADIOLOGICAL-203209 4109 GROSS ALPHA PARTICLE ACTIVITY 1.540 +/- 0.899 0.892 PCI/L 15 3 09-12-2023 108 2032/09
CA4900647_015_015 REGULATED VOC-202810 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2990 BENZENE < 0.500 UG/L 1 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202510 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 10-19-2022 36 2025/10
CA4900647_015_015 REGULATED VOC-202810 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2996 STYRENE < 0.500 UG/L 100 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2991 TOLUENE < 0.500 UG/L 150 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2904 TRICHLOROTRIFLUOROETHANE < 0.500 UG/L 1200 10 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED VOC-202810 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 10-19-2022 72 2028/10
CA4900647_015_015 REGULATED SOC-202401 2414 1,2,3-TRICHLOROPROPANE < UG/L 0.005 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 REGULATED SOC-203001 2110 2,4,5-TP < 1.000 UG/L 50 1 01-21-2021 108 2030/01
CA4900647_015_015 REGULATED SOC-203001 2105 2,4-D < 10.000 UG/L 70 10 01-21-2021 108 2030/01
CA4900647_015_015 REGULATED SOC-202401 2050 ATRAZINE < 0.500 UG/L 1 .5 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 REGULATED SOC-202401 2046 CARBOFURAN < 5.000 UG/L 18 5 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 REGULATED SOC-202401 2031 DALAPON < 10.000 UG/L 200 10 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 REGULATED SOC-202401 2041 DINOSEB < 2.000 UG/L 7 2 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 REGULATED SOC-202401 2032 DIQUAT < 4.000 UG/L 20 4 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 REGULATED SOC-202401 2033 ENDOTHALL < 45.000 UG/L 100 45 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 REGULATED SOC-203209 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 09-12-2023 108 2032/09
CA4900647_015_015 REGULATED SOC-203209 2065 HEPTACHLOR < 0.010 UG/L .01 .01 09-12-2023 108 2032/09
CA4900647_015_015 REGULATED SOC-203209 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 09-12-2023 108 2032/09
CA4900647_015_015 REGULATED SOC-203209 2010 BHC-GAMMA < 0.010 UG/L .2 .2 09-12-2023 108 2032/09
CA4900647_015_015 REGULATED SOC-203209 2015 METHOXYCHLOR < 0.100 UG/L 30 10 09-12-2023 108 2032/09
CA4900647_015_015 REGULATED SOC-202401 2036 OXAMYL < 20.000 UG/L 50 20 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 REGULATED SOC-202401 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 REGULATED SOC-202401 2040 PICLORAM < 1.000 UG/L 500 1 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 REGULATED SOC-202401 2037 SIMAZINE < 1.000 UG/L 4 1 01-21-2021 36 2024/01 DUE NOW
CA4900647_015_015 REGULATED SOC-203209 2020 TOXAPHENE < 0.500 UG/L 3 1 09-12-2023 108 2032/09
CA4900647_015_015 GENERAL NON CHAP 15-202401 1927 ALKALINITY, TOTAL 84.000 MG/L 01-21-2021 36 2024/01 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.