Date:05-17-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4900611SYSTEM NAME:RAINS CREEK WATER DISTRICTCOUNTY:SONOMA 
SOURCE NO.:All SourcesSOURCE NAME:N/ASOURCE CLASS:N/ASTATUS:N/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
CA4900611_002_002 SECONDARY/GP-202612 1928 ALKALINITY, BICARBONATE 230.000 1.000 MG/L 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1919 CALCIUM 45.000 1.000 MG/L 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1929 ALKALINITY, CARBONATE < 1.000 MG/L 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1017 CHLORIDE 9.500 0.500 MG/L 500 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1905 COLOR < 5.000 UNITS 15 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1022 COPPER, FREE < 50.000 UG/L 1000 50 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1915 HARDNESS, TOTAL (AS CACO3) 220.000 2.000 MG/L 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1021 HYDROXIDE AS CALCIUM CARBONATE < 1.000 MG/L 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202404 1028 IRON < 100.000 UG/L 300 100 01-08-2024 3 2024/04 DUE NOW
CA4900611_002_002 SECONDARY/GP-202612 1031 MAGNESIUM 26.000 1.000 MG/L 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1032 MANGANESE 28.000 20.000 UG/L 50 20 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1920 ODOR < 1.000 TON 3 1 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1925 PH 7.100 1.000 pH 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1050 SILVER < 10.000 UG/L 100 10 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1052 SODIUM 16.000 1.000 MG/L 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1064 CONDUCTIVITY @ 25 C UMHOS/CM 410.000 10.000 UMHO/CM 1600 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1055 SULFATE 20.000 0.500 MG/L 500 .5 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1930 TDS 260.000 10.000 MG/L 1000 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 0100 TURBIDITY 0.350 0.100 NTU 5 .1 12-11-2023 36 2026/12
CA4900611_002_002 SECONDARY/GP-202612 1095 ZINC 140.000 50.000 UG/L 5000 50 12-11-2023 36 2026/12
CA4900611_002_002 INORGANIC-202612 1002 ALUMINUM < 50.000 UG/L 1000 50 12-11-2023 36 2026/12
CA4900611_002_002 INORGANIC-202612 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 12-11-2023 36 2026/12
CA4900611_002_002 INORGANIC-202612 1005 ARSENIC < 2.000 UG/L 10 2 12-11-2023 36 2026/12
CA4900611_002_002 INORGANIC-202403 1094 ASBESTOS < 0.200 MFL 7 .2 03-05-2015 108 2024/03 DUE NOW
CA4900611_002_002 INORGANIC-202612 1010 BARIUM 210.000 100.000 UG/L 1000 100 12-11-2023 36 2026/12
CA4900611_002_002 INORGANIC-202612 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 12-11-2023 36 2026/12
CA4900611_002_002 INORGANIC-202612 1015 CADMIUM < 1.000 UG/L 5 1 12-11-2023 36 2026/12
CA4900611_002_002 INORGANIC-202612 1020 CHROMIUM < 1.000 UG/L 50 10 12-11-2023 36 2026/12
CA4900611_002_002 INORGANIC-202612 1025 FLUORIDE < 0.100 MG/L 2 .1 12-11-2023 36 2026/12
CA4900611_002_002 INORGANIC-202612 1035 MERCURY < 1.000 UG/L 2 1 12-11-2023 36 2026/12
CA4900611_002_002 INORGANIC-202612 1036 NICKEL < 10.000 UG/L 100 10 12-11-2023 36 2026/12
CA4900611_002_002 INORGANIC-202612 1039 PERCHLORATE < 2.000 UG/L 6 2 12-11-2023 36 2026/12
CA4900611_002_002 INORGANIC-202612 1045 SELENIUM < 5.000 UG/L 50 5 12-11-2023 36 2026/12
CA4900611_002_002 INORGANIC-202612 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 12-11-2023 36 2026/12
CA4900611_002_002 NITRATE/NITRITE-202412 1040 NITRATE 0.540 0.400 MG/L 10 .4 12-11-2023 12 2024/12
CA4900611_002_002 NITRATE/NITRITE-202612 1041 NITRITE < 0.400 MG/L 1 .4 12-11-2023 36 2026/12
CA4900611_002_002 RADIOLOGICAL-202501 4109 GROSS ALPHA PARTICLE ACTIVITY 0.599 +/- 1.430 2.000 PCI/L 15 3 01-21-2016 108 2025/01
CA4900611_002_002 REGULATED VOC-202812 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2990 BENZENE < 0.500 UG/L 1 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202512 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 12-06-2022 36 2025/12
CA4900611_002_002 REGULATED VOC-202812 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2996 STYRENE < 0.500 UG/L 100 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2991 TOLUENE < 0.500 UG/L 150 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2904 TRICHLOROTRIFLUOROETHANE < 0.500 UG/L 1200 10 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED VOC-202812 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 12-06-2022 72 2028/12
CA4900611_002_002 REGULATED SOC-202401 2414 1,2,3-TRICHLOROPROPANE < UG/L 0.005 01-19-2021 36 2024/01 DUE NOW
CA4900611_002_002 REGULATED SOC-203212 2110 2,4,5-TP < 1.000 UG/L 50 1 12-11-2023 108 2032/12
CA4900611_002_002 REGULATED SOC-203212 2105 2,4-D < 10.000 UG/L 70 10 12-11-2023 108 2032/12
CA4900611_002_002 REGULATED SOC-202612 2050 ATRAZINE < 0.250 UG/L 1 .5 12-11-2023 36 2026/12
CA4900611_002_002 REGULATED SOC-202612 2046 CARBOFURAN < 5.000 UG/L 18 5 12-11-2023 36 2026/12
CA4900611_002_002 REGULATED SOC-202612 2031 DALAPON < 10.000 UG/L 200 10 12-11-2023 36 2026/12
CA4900611_002_002 REGULATED SOC-202612 2041 DINOSEB < 2.000 UG/L 7 2 12-11-2023 36 2026/12
CA4900611_002_002 REGULATED SOC-202612 2032 DIQUAT < 0.400 UG/L 20 4 12-11-2023 36 2026/12
CA4900611_002_002 REGULATED SOC-202612 2033 ENDOTHALL < 45.000 UG/L 100 45 12-11-2023 36 2026/12
CA4900611_002_002 REGULATED SOC-202403 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 03-24-2015 108 2024/03 DUE NOW
CA4900611_002_002 REGULATED SOC-203212 2065 HEPTACHLOR < 0.010 UG/L .01 .01 12-11-2023 108 2032/12
CA4900611_002_002 REGULATED SOC-203212 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 12-11-2023 108 2032/12
CA4900611_002_002 REGULATED SOC-203212 2010 BHC-GAMMA < 0.010 UG/L .2 .2 12-11-2023 108 2032/12
CA4900611_002_002 REGULATED SOC-203212 2015 METHOXYCHLOR < 0.100 UG/L 30 10 12-11-2023 108 2032/12
CA4900611_002_002 REGULATED SOC-202612 2036 OXAMYL < 5.000 UG/L 50 20 12-11-2023 36 2026/12
CA4900611_002_002 REGULATED SOC-202612 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 12-11-2023 36 2026/12
CA4900611_002_002 REGULATED SOC-202612 2040 PICLORAM < 1.000 UG/L 500 1 12-11-2023 36 2026/12
CA4900611_002_002 REGULATED SOC-202612 2037 SIMAZINE < 0.250 UG/L 4 1 12-11-2023 36 2026/12
CA4900611_002_002 REGULATED SOC-203212 2020 TOXAPHENE < 0.500 UG/L 3 1 12-11-2023 108 2032/12
CA4900611_002_002 GENERAL NON CHAP 15-202612 1927 ALKALINITY, TOTAL 190.000 20.000 MG/L 12-11-2023 36 2026/12
CA4900611_DST_004 DISINFECTION BYPRODUCTS-202509 2456 TOTAL HALOACETIC ACIDS (HAA5) < 6.000 UG/L 60 09-09-2022 36 2025/09
CA4900611_DST_004 DISINFECTION BYPRODUCTS-202509 2950 TTHM < 4.000 UG/L 80 09-09-2022 36 2025/09
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.