Date:05-19-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4900547SYSTEM NAME:END-O-VALLEY MUTUAL WATER COMPANYCOUNTY:SONOMA 
SOURCE NO.:001SOURCE NAME:WELL 01 (UPPER DEERTRAIL)SOURCE CLASS:CTGRSTATUS: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
CA4900547_001_001 SECONDARY/GP-202601 1928 ALKALINITY, BICARBONATE 170.000 1.000 MG/L 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1919 CALCIUM 24.000 1.000 MG/L 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1929 ALKALINITY, CARBONATE < 1.000 MG/L 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1017 CHLORIDE 5.600 0.500 MG/L 500 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1905 COLOR < 5.000 UNITS 15 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1022 COPPER, FREE < 50.000 UG/L 1000 50 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1915 HARDNESS, TOTAL (AS CACO3) 150.000 2.000 MG/L 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1021 HYDROXIDE AS CALCIUM CARBONATE < 1.000 MG/L 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202406 1028 IRON < 100.000 UG/L 300 100 03-01-2024 3 2024/06
CA4900547_001_001 SECONDARY/GP-202601 1031 MAGNESIUM 22.000 1.000 MG/L 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1032 MANGANESE < 20.000 UG/L 50 20 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1920 ODOR 1.400 1.000 TON 3 1 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1925 PH 7.200 1.000 pH 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1050 SILVER < 10.000 UG/L 100 10 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1052 SODIUM 12.000 1.000 MG/L 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1064 CONDUCTIVITY @ 25 C UMHOS/CM 300.000 10.000 UMHO/CM 1600 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1055 SULFATE 2.900 0.500 MG/L 500 .5 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1930 TDS 210.000 10.000 MG/L 1000 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 0100 TURBIDITY 0.150 0.100 NTU 5 .1 01-31-2023 36 2026/01
CA4900547_001_001 SECONDARY/GP-202601 1095 ZINC < 50.000 UG/L 5000 50 01-31-2023 36 2026/01
CA4900547_001_001 INORGANIC-203201 1002 ALUMINUM < 50.000 UG/L 1000 50 01-31-2023 108 2032/01
CA4900547_001_001 INORGANIC-203201 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 01-31-2023 108 2032/01
CA4900547_001_001 INORGANIC-202601 1005 ARSENIC 2.600 2.000 UG/L 10 2 01-31-2023 36 2026/01
CA4900547_001_001 INORGANIC-202510 1094 ASBESTOS < 0.200 MFL 7 .2 10-24-2016 108 2025/10
CA4900547_001_001 INORGANIC-203201 1010 BARIUM < 100.000 UG/L 1000 100 01-31-2023 108 2032/01
CA4900547_001_001 INORGANIC-203201 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 01-31-2023 108 2032/01
CA4900547_001_001 INORGANIC-203201 1015 CADMIUM < 1.000 UG/L 5 1 01-31-2023 108 2032/01
CA4900547_001_001 INORGANIC-203201 1020 CHROMIUM < 1.000 UG/L 50 10 01-31-2023 108 2032/01
CA4900547_001_001 INORGANIC-203201 1025 FLUORIDE < 0.100 MG/L 2 .1 01-31-2023 108 2032/01
CA4900547_001_001 INORGANIC-203201 1035 MERCURY < 1.000 UG/L 2 1 01-31-2023 108 2032/01
CA4900547_001_001 INORGANIC-203201 1036 NICKEL < 10.000 UG/L 100 10 01-31-2023 108 2032/01
CA4900547_001_001 INORGANIC-202601 1039 PERCHLORATE < 2.000 UG/L 6 2 01-31-2023 36 2026/01
CA4900547_001_001 INORGANIC-203201 1045 SELENIUM < 5.000 UG/L 50 5 01-31-2023 108 2032/01
CA4900547_001_001 INORGANIC-203201 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 01-31-2023 108 2032/01
CA4900547_001_001 NITRATE/NITRITE-202502 1040 NITRATE < 0.400 MG/L 10 .4 02-02-2024 12 2025/02
CA4900547_001_001 NITRATE/NITRITE-202602 1041 NITRITE < 0.400 MG/L 1 .4 02-17-2023 36 2026/02
CA4900547_001_001 RADIOLOGICAL-202510 4109 GROSS ALPHA PARTICLE ACTIVITY 0.267 +/- 1.050 1.600 PCI/L 15 3 10-24-2016 108 2025/10
CA4900547_001_001 REGULATED VOC-202901 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2990 BENZENE < 0.500 UG/L 1 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202601 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 01-31-2023 36 2026/01
CA4900547_001_001 REGULATED VOC-202901 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2996 STYRENE < 0.500 UG/L 100 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2991 TOLUENE < 0.500 UG/L 150 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2904 TRICHLOROTRIFLUOROETHANE < 0.500 UG/L 1200 10 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED VOC-202901 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 01-31-2023 72 2029/01
CA4900547_001_001 REGULATED SOC-203201 2110 2,4,5-TP < 1.000 UG/L 50 1 01-31-2023 108 2032/01
CA4900547_001_001 REGULATED SOC-202601 2031 DALAPON < 10.000 UG/L 200 10 01-31-2023 36 2026/01
CA4900547_001_001 REGULATED SOC-202601 2032 DIQUAT < 0.400 UG/L 20 4 01-31-2023 36 2026/01
CA4900547_001_001 REGULATED SOC-202601 2033 ENDOTHALL < 45.000 UG/L 100 45 01-31-2023 36 2026/01
CA4900547_001_001 REGULATED SOC-202811 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 11-25-2019 108 2028/11
CA4900547_001_001 REGULATED SOC-202811 2065 HEPTACHLOR < UG/L .01 .01 11-25-2019 108 2028/11
CA4900547_001_001 REGULATED SOC-202811 2067 HEPTACHLOR EPOXIDE < UG/L .01 .01 11-25-2019 108 2028/11
CA4900547_001_001 REGULATED SOC-202811 2010 BHC-GAMMA < 0.200 UG/L .2 .2 11-25-2019 108 2028/11
CA4900547_001_001 REGULATED SOC-202811 2015 METHOXYCHLOR < 10.000 UG/L 30 10 11-25-2019 108 2028/11
CA4900547_001_001 REGULATED SOC-202601 2036 OXAMYL < 5.000 UG/L 50 20 01-31-2023 36 2026/01
CA4900547_001_001 REGULATED SOC-202601 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 01-31-2023 36 2026/01
CA4900547_001_001 REGULATED SOC-202601 2040 PICLORAM < 1.000 UG/L 500 1 01-31-2023 36 2026/01
CA4900547_001_001 REGULATED SOC-202601 2037 SIMAZINE < 0.250 UG/L 4 1 01-31-2023 36 2026/01
CA4900547_001_001 GENERAL NON CHAP 15-202601 1927 ALKALINITY, TOTAL 140.000 20.000 MG/L 01-31-2023 36 2026/01
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.