Date:05-18-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4900905SYSTEM NAME:MARK WEST MEADOWS MUTUAL WATERCOUNTY:SONOMA 
SOURCE NO.:001SOURCE NAME:WELL 01 - 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
CA4900905_001_001 SECONDARY/GP-202604 1928 ALKALINITY, BICARBONATE 240.000 MG/L 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1919 CALCIUM 27.000 MG/L 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1929 ALKALINITY, CARBONATE < 1.000 MG/L 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1017 CHLORIDE 6.000 MG/L 500 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1905 COLOR 20.000 UNITS 15 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1022 COPPER, FREE < 50.000 UG/L 1000 50 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 2905 FOAMING AGENTS (SURFACTANTS) < 0.100 MG/L .5 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1915 HARDNESS, TOTAL (AS CACO3) 160.000 MG/L 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1021 HYDROXIDE AS CALCIUM CARBONATE < 1.000 MG/L 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1028 IRON 3600.000 100.000 UG/L 300 100 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1031 MAGNESIUM 23.000 MG/L 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1032 MANGANESE 520.000 20.000 UG/L 50 20 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1920 ODOR 1.400 1.000 TON 3 1 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1925 PH 7.800 pH 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1050 SILVER < 10.000 UG/L 100 10 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1052 SODIUM 15.000 MG/L 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1064 CONDUCTIVITY @ 25 C UMHOS/CM 400.000 UMHO/CM 1600 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1055 SULFATE 4.900 0.500 MG/L 500 .5 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1930 TDS 240.000 MG/L 1000 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 0100 TURBIDITY 20.000 0.100 NTU 5 .1 04-10-2017 108 2026/04
CA4900905_001_001 SECONDARY/GP-202604 1095 ZINC 220.000 50.000 UG/L 5000 50 04-10-2017 108 2026/04
CA4900905_001_001 INORGANIC-202604 1002 ALUMINUM 170.000 50.000 UG/L 1000 50 04-10-2017 108 2026/04
CA4900905_001_001 INORGANIC-202604 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 04-10-2017 108 2026/04
CA4900905_001_001 INORGANIC-202604 1005 ARSENIC < 2.000 UG/L 10 2 04-10-2017 108 2026/04
CA4900905_001_001 INORGANIC-202604 1094 ASBESTOS < 0.200 MFL 7 .2 04-10-2017 108 2026/04
CA4900905_001_001 INORGANIC-202604 1010 BARIUM < 100.000 UG/L 1000 100 04-10-2017 108 2026/04
CA4900905_001_001 INORGANIC-202604 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 04-10-2017 108 2026/04
CA4900905_001_001 INORGANIC-202604 1015 CADMIUM < 1.000 UG/L 5 1 04-10-2017 108 2026/04
CA4900905_001_001 INORGANIC-202604 1020 CHROMIUM < 1.000 UG/L 50 10 04-10-2017 108 2026/04
CA4900905_001_001 INORGANIC-202604 1025 FLUORIDE 0.160 0.100 MG/L 2 .1 04-10-2017 108 2026/04
CA4900905_001_001 INORGANIC-202604 1035 MERCURY < 1.000 UG/L 2 1 04-10-2017 108 2026/04
CA4900905_001_001 INORGANIC-202604 1036 NICKEL < 10.000 UG/L 100 10 04-10-2017 108 2026/04
CA4900905_001_001 INORGANIC-202604 1039 PERCHLORATE < 4.000 UG/L 6 4 04-10-2017 108 2026/04
CA4900905_001_001 INORGANIC-202604 1045 SELENIUM < 5.000 UG/L 50 5 04-10-2017 108 2026/04
CA4900905_001_001 INORGANIC-202604 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 04-10-2017 108 2026/04
CA4900905_001_001 NITRATE/NITRITE-202702 1040 NITRATE < 0.400 MG/L 10 .4 02-02-2018 108 2027/02
CA4900905_001_001 NITRATE/NITRITE-202604 1041 NITRITE < 0.400 MG/L 1 .4 04-10-2017 108 2026/04
CA4900905_001_001 RADIOLOGICAL-202505 4109 GROSS ALPHA PARTICLE ACTIVITY 0.439 +/- 1.050 1.500 PCI/L 15 3 05-16-2016 108 2025/05
CA4900905_001_001 REGULATED VOC-203204 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2990 BENZENE < 0.500 UG/L 1 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2996 STYRENE < 0.500 UG/L 100 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2991 TOLUENE < 0.500 UG/L 150 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2904 TRICHLOROTRIFLUOROETHANE < 0.500 UG/L 1200 10 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED VOC-203204 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 04-07-2023 108 2032/04
CA4900905_001_001 REGULATED SOC-202801 2414 1,2,3-TRICHLOROPROPANE < UG/L 0.005 01-09-2019 108 2028/01
CA4900905_001_001 REGULATED SOC-202604 2110 2,4,5-TP < 1.000 UG/L 50 1 04-10-2017 108 2026/04
CA4900905_001_001 REGULATED SOC-202604 2105 2,4-D < 10.000 UG/L 70 10 04-10-2017 108 2026/04
CA4900905_001_001 REGULATED SOC-202604 2050 ATRAZINE < 0.500 UG/L 1 .5 04-10-2017 108 2026/04
CA4900905_001_001 REGULATED SOC-202604 2046 CARBOFURAN < 5.000 UG/L 18 5 04-10-2017 108 2026/04
CA4900905_001_001 REGULATED SOC-202604 2031 DALAPON < 10.000 UG/L 200 10 04-10-2017 108 2026/04
CA4900905_001_001 REGULATED SOC-202604 2041 DINOSEB < 2.000 UG/L 7 2 04-10-2017 108 2026/04
CA4900905_001_001 REGULATED SOC-202604 2032 DIQUAT < 4.000 UG/L 20 4 04-10-2017 108 2026/04
CA4900905_001_001 REGULATED SOC-202604 2033 ENDOTHALL < 45.000 UG/L 100 45 04-10-2017 108 2026/04
CA4900905_001_001 REGULATED SOC-202801 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 01-09-2019 108 2028/01
CA4900905_001_001 REGULATED SOC-202801 2065 HEPTACHLOR < UG/L .01 .01 01-09-2019 108 2028/01
CA4900905_001_001 REGULATED SOC-202801 2067 HEPTACHLOR EPOXIDE < UG/L .01 .01 01-09-2019 108 2028/01
CA4900905_001_001 REGULATED SOC-202801 2010 BHC-GAMMA < 0.200 UG/L .2 .2 01-09-2019 108 2028/01
CA4900905_001_001 REGULATED SOC-202801 2015 METHOXYCHLOR < 10.000 UG/L 30 10 01-09-2019 108 2028/01
CA4900905_001_001 REGULATED SOC-202604 2036 OXAMYL < 20.000 UG/L 50 20 04-10-2017 108 2026/04
CA4900905_001_001 REGULATED SOC-202604 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 04-10-2017 108 2026/04
CA4900905_001_001 REGULATED SOC-202604 2040 PICLORAM < 1.000 UG/L 500 1 04-10-2017 108 2026/04
CA4900905_001_001 REGULATED SOC-202604 2037 SIMAZINE < 1.000 UG/L 4 1 04-10-2017 108 2026/04
CA4900905_001_001 REGULATED SOC-202801 2020 TOXAPHENE < 1.000 UG/L 3 1 01-09-2019 108 2028/01
CA4900905_001_001 GENERAL NON CHAP 15-202604 1927 ALKALINITY, TOTAL 200.000 MG/L 04-10-2017 108 2026/04
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.