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.:008SOURCE NAME:WELL 05 - STANDBYSOURCE CLASS:CSBASTATUS: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_008_008 SECONDARY/GP-203209 1928 ALKALINITY, BICARBONATE 220.000 1.000 MG/L 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1919 CALCIUM 28.000 1.000 MG/L 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1929 ALKALINITY, CARBONATE < 1.000 MG/L 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1017 CHLORIDE 40.000 0.500 MG/L 500 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1905 COLOR 40.000 5.000 UNITS 15 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1022 COPPER, FREE < 50.000 UG/L 1000 50 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1915 HARDNESS, TOTAL (AS CACO3) 140.000 2.000 MG/L 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1021 HYDROXIDE AS CALCIUM CARBONATE < 1.000 MG/L 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1028 IRON 15000.000 100.000 UG/L 300 100 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1031 MAGNESIUM 16.000 1.000 MG/L 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1032 MANGANESE 1900.000 20.000 UG/L 50 20 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1920 ODOR 200.000 1.000 TON 3 1 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1925 PH 6.700 1.000 pH 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1050 SILVER < 10.000 UG/L 100 10 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1052 SODIUM 33.000 1.000 MG/L 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1064 CONDUCTIVITY @ 25 C UMHOS/CM 420.000 10.000 UMHO/CM 1600 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1055 SULFATE < 0.500 MG/L 500 .5 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1930 TDS 240.000 10.000 MG/L 1000 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 0100 TURBIDITY 160.000 0.100 NTU 5 .1 09-12-2023 108 2032/09
CA4900647_008_008 SECONDARY/GP-203209 1095 ZINC < 50.000 UG/L 5000 50 09-12-2023 108 2032/09
CA4900647_008_008 INORGANIC-203209 1002 ALUMINUM < 50.000 UG/L 1000 50 09-12-2023 108 2032/09
CA4900647_008_008 INORGANIC-203209 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 09-12-2023 108 2032/09
CA4900647_008_008 INORGANIC-203209 1005 ARSENIC 32.000 2.000 UG/L 10 2 09-12-2023 108 2032/09
CA4900647_008_008 INORGANIC-203209 1094 ASBESTOS < 5.600 MFL 7 .2 09-12-2023 108 2032/09
CA4900647_008_008 INORGANIC-203209 1010 BARIUM 260.000 100.000 UG/L 1000 100 09-12-2023 108 2032/09
CA4900647_008_008 INORGANIC-203209 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 09-12-2023 108 2032/09
CA4900647_008_008 INORGANIC-203209 1015 CADMIUM < 1.000 UG/L 5 1 09-12-2023 108 2032/09
CA4900647_008_008 INORGANIC-203209 1020 CHROMIUM 1.800 1.000 UG/L 50 10 09-12-2023 108 2032/09
CA4900647_008_008 INORGANIC-203209 1025 FLUORIDE 0.260 0.100 MG/L 2 .1 09-12-2023 108 2032/09
CA4900647_008_008 INORGANIC-203209 1035 MERCURY < 1.000 UG/L 2 1 09-12-2023 108 2032/09
CA4900647_008_008 INORGANIC-203209 1036 NICKEL < 10.000 UG/L 100 10 09-12-2023 108 2032/09
CA4900647_008_008 INORGANIC-203209 1045 SELENIUM < 5.000 UG/L 50 5 09-12-2023 108 2032/09
CA4900647_008_008 INORGANIC-203209 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 09-12-2023 108 2032/09
CA4900647_008_008 NITRATE/NITRITE-203209 1040 NITRATE < 0.400 MG/L 10 .4 09-12-2023 108 2032/09
CA4900647_008_008 NITRATE/NITRITE-203209 1041 NITRITE < 0.400 MG/L 1 .4 09-12-2023 108 2032/09
CA4900647_008_008 RADIOLOGICAL-202703 4109 GROSS ALPHA PARTICLE ACTIVITY 0.516 +/- 0.675 0.900 PCI/L 15 3 03-20-2018 108 2027/03
CA4900647_008_008 REGULATED VOC-203209 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2990 BENZENE < 0.500 UG/L 1 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2996 STYRENE < 0.500 UG/L 100 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2991 TOLUENE < 0.500 UG/L 150 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2904 TRICHLOROTRIFLUOROETHANE < 0.500 UG/L 1200 10 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED VOC-203209 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED SOC-202706 2414 1,2,3-TRICHLOROPROPANE < UG/L 0.005 06-28-2018 108 2027/06
CA4900647_008_008 REGULATED SOC-203209 2110 2,4,5-TP < 1.000 UG/L 50 1 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED SOC-203209 2105 2,4-D < 10.000 UG/L 70 10 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED SOC-203209 2050 ATRAZINE < 0.250 UG/L 1 .5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED SOC-203209 2046 CARBOFURAN < 5.000 UG/L 18 5 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED SOC-203209 2031 DALAPON < 10.000 UG/L 200 10 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED SOC-203209 2041 DINOSEB < 2.000 UG/L 7 2 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED SOC-203209 2032 DIQUAT < 0.400 UG/L 20 4 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED SOC-203209 2033 ENDOTHALL < 45.000 UG/L 100 45 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED SOC-203209 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED SOC-203210 2065 HEPTACHLOR < 0.010 UG/L .01 .01 10-05-2023 108 2032/10
CA4900647_008_008 REGULATED SOC-203210 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 10-05-2023 108 2032/10
CA4900647_008_008 REGULATED SOC-203210 2010 BHC-GAMMA < 0.010 UG/L .2 .2 10-05-2023 108 2032/10
CA4900647_008_008 REGULATED SOC-203210 2015 METHOXYCHLOR < 0.100 UG/L 30 10 10-05-2023 108 2032/10
CA4900647_008_008 REGULATED SOC-203209 2036 OXAMYL < 5.000 UG/L 50 20 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED SOC-203209 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED SOC-203209 2040 PICLORAM < 1.000 UG/L 500 1 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED SOC-203209 2037 SIMAZINE < 0.250 UG/L 4 1 09-12-2023 108 2032/09
CA4900647_008_008 REGULATED SOC-203210 2020 TOXAPHENE < 0.500 UG/L 3 1 10-05-2023 108 2032/10
CA4900647_008_008 GENERAL NON CHAP 15-203209 1927 ALKALINITY, TOTAL 180.000 20.000 MG/L 09-12-2023 108 2032/09
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.