Date:05-16-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4900703SYSTEM NAME:OAK GROVE SCHOOLCOUNTY:SONOMA 
SOURCE NO.:001SOURCE NAME:WELL 01SOURCE CLASS:NSBASTATUS: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
CA4900703_001_001 INORGANIC-202609 1002 ALUMINUM < 50.000 UG/L 1000 50 09-20-2017 108 2026/09
CA4900703_001_001 INORGANIC-202609 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 09-20-2017 108 2026/09
CA4900703_001_001 INORGANIC-202609 1005 ARSENIC < 2.000 UG/L 10 2 09-20-2017 108 2026/09
CA4900703_001_001 INORGANIC-202710 1094 ASBESTOS 2.100 0.200 MFL 7 .2 10-22-2018 108 2027/10
CA4900703_001_001 INORGANIC-202609 1010 BARIUM < 100.000 UG/L 1000 100 09-20-2017 108 2026/09
CA4900703_001_001 INORGANIC-202609 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 09-20-2017 108 2026/09
CA4900703_001_001 INORGANIC-202609 1015 CADMIUM < 1.000 UG/L 5 1 09-20-2017 108 2026/09
CA4900703_001_001 INORGANIC-202710 1020 CHROMIUM < 10.000 UG/L 50 10 10-22-2018 108 2027/10
CA4900703_001_001 INORGANIC-202609 1025 FLUORIDE < 0.100 MG/L 2 .1 09-20-2017 108 2026/09
CA4900703_001_001 INORGANIC-202609 1035 MERCURY < 1.000 UG/L 2 1 09-20-2017 108 2026/09
CA4900703_001_001 INORGANIC-202609 1036 NICKEL < 10.000 UG/L 100 10 09-20-2017 108 2026/09
CA4900703_001_001 INORGANIC-202608 1039 PERCHLORATE < 4.000 UG/L 6 4 08-22-2017 108 2026/08
CA4900703_001_001 INORGANIC-202609 1045 SELENIUM < 5.000 UG/L 50 5 09-20-2017 108 2026/09
CA4900703_001_001 INORGANIC-202609 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 09-20-2017 108 2026/09
CA4900703_001_001 NITRATE/NITRITE-202808 1040 NITRATE < 0.400 MG/L 10 .4 08-12-2019 108 2028/08
CA4900703_001_001 NITRATE/NITRITE-202602 1041 NITRITE < 0.400 MG/L 1 .4 02-09-2017 108 2026/02
CA4900703_001_001 RADIOLOGICAL-202503 4109 GROSS ALPHA PARTICLE ACTIVITY 0.790 +/- 1.130 1.400 PCI/L 15 3 03-23-2016 108 2025/03
CA4900703_001_001 REGULATED VOC-203211 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2990 BENZENE < 0.500 UG/L 1 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2996 STYRENE < 0.500 UG/L 100 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2991 TOLUENE < 0.500 UG/L 150 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED VOC-203211 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 11-14-2023 108 2032/11
CA4900703_001_001 REGULATED SOC-202710 2414 1,2,3-TRICHLOROPROPANE < UG/L 0.005 10-23-2018 108 2027/10
CA4900703_001_001 REGULATED SOC-202609 2110 2,4,5-TP < 1.000 UG/L 50 1 09-20-2017 108 2026/09
CA4900703_001_001 REGULATED SOC-202609 2105 2,4-D < 10.000 UG/L 70 10 09-20-2017 108 2026/09
CA4900703_001_001 REGULATED SOC-202609 2050 ATRAZINE < 0.500 UG/L 1 .5 09-20-2017 108 2026/09
CA4900703_001_001 REGULATED SOC-202609 2046 CARBOFURAN < 5.000 UG/L 18 5 09-20-2017 108 2026/09
CA4900703_001_001 REGULATED SOC-202609 2031 DALAPON < 10.000 UG/L 200 10 09-20-2017 108 2026/09
CA4900703_001_001 REGULATED SOC-202609 2041 DINOSEB < 2.000 UG/L 7 2 09-20-2017 108 2026/09
CA4900703_001_001 REGULATED SOC-202609 2032 DIQUAT < 4.000 UG/L 20 4 09-20-2017 108 2026/09
CA4900703_001_001 REGULATED SOC-202609 2033 ENDOTHALL < 45.000 UG/L 100 45 09-20-2017 108 2026/09
CA4900703_001_001 REGULATED SOC-202605 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 05-24-2017 108 2026/05
CA4900703_001_001 REGULATED SOC-202911 2065 HEPTACHLOR < UG/L .01 .01 11-18-2020 108 2029/11
CA4900703_001_001 REGULATED SOC-202911 2067 HEPTACHLOR EPOXIDE < UG/L .01 .01 11-18-2020 108 2029/11
CA4900703_001_001 REGULATED SOC-202911 2010 BHC-GAMMA < 0.200 UG/L .2 .2 11-18-2020 108 2029/11
CA4900703_001_001 REGULATED SOC-202911 2015 METHOXYCHLOR < 10.000 UG/L 30 10 11-18-2020 108 2029/11
CA4900703_001_001 REGULATED SOC-202609 2036 OXAMYL < 20.000 UG/L 50 20 09-20-2017 108 2026/09
CA4900703_001_001 REGULATED SOC-202609 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 09-20-2017 108 2026/09
CA4900703_001_001 REGULATED SOC-202609 2040 PICLORAM < 1.000 UG/L 500 1 09-20-2017 108 2026/09
CA4900703_001_001 REGULATED SOC-202609 2037 SIMAZINE < 1.000 UG/L 4 1 09-20-2017 108 2026/09
CA4900703_001_001 REGULATED SOC-202911 2020 TOXAPHENE < 1.000 UG/L 3 1 11-18-2020 108 2029/11
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.