Date:05-16-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4900703SYSTEM NAME:OAK GROVE SCHOOLCOUNTY:SONOMA 
SOURCE NO.:005SOURCE NAME:WELL 02SOURCE CLASS:NTGASTATUS: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_005_005 INORGANIC-202510 1002 ALUMINUM < 50.000 UG/L 1000 50 10-04-2022 36 2025/10
CA4900703_005_005 INORGANIC-202408 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 08-09-2021 36 2024/08
CA4900703_005_005 INORGANIC-202408 1005 ARSENIC < 2.000 UG/L 10 2 08-09-2021 36 2024/08
CA4900703_005_005 INORGANIC-202708 1094 ASBESTOS < 0.200 MFL 7 .2 08-08-2018 108 2027/08
CA4900703_005_005 INORGANIC-202408 1010 BARIUM < 100.000 UG/L 1000 100 08-09-2021 36 2024/08
CA4900703_005_005 INORGANIC-202408 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 08-09-2021 36 2024/08
CA4900703_005_005 INORGANIC-202408 1015 CADMIUM < 1.000 UG/L 5 1 08-09-2021 36 2024/08
CA4900703_005_005 INORGANIC-202408 1020 CHROMIUM < 10.000 UG/L 50 10 08-09-2021 36 2024/08
CA4900703_005_005 INORGANIC-202408 1025 FLUORIDE < 0.100 MG/L 2 .1 08-09-2021 36 2024/08
CA4900703_005_005 INORGANIC-202408 1035 MERCURY < 1.000 UG/L 2 1 08-09-2021 36 2024/08
CA4900703_005_005 INORGANIC-202408 1036 NICKEL < 10.000 UG/L 100 10 08-09-2021 36 2024/08
CA4900703_005_005 INORGANIC-202502 1039 PERCHLORATE < 2.000 UG/L 6 2 02-09-2022 36 2025/02
CA4900703_005_005 INORGANIC-202408 1045 SELENIUM < 5.000 UG/L 50 5 08-09-2021 36 2024/08
CA4900703_005_005 INORGANIC-202408 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 08-09-2021 36 2024/08
CA4900703_005_005 NITRATE/NITRITE-202408 1040 NITRATE < 0.400 MG/L 10 .4 08-01-2023 12 2024/08
CA4900703_005_005 NITRATE/NITRITE-202408 1041 NITRITE < 0.200 MG/L 1 .4 08-09-2021 36 2024/08
CA4900703_005_005 RADIOLOGICAL-202802 4109 GROSS ALPHA PARTICLE ACTIVITY 0.465 +/- 1.110 1.600 PCI/L 15 3 02-19-2019 108 2028/02
CA4900703_005_005 REGULATED VOC-202710 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2990 BENZENE < 0.500 UG/L 1 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2996 STYRENE < 0.500 UG/L 100 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2991 TOLUENE < 0.500 UG/L 150 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED VOC-202710 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 10-11-2021 72 2027/10
CA4900703_005_005 REGULATED SOC-202412 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 12-08-2021 36 2024/12
CA4900703_005_005 REGULATED SOC-203008 2110 2,4,5-TP < 1.000 UG/L 50 1 08-09-2021 108 2030/08
CA4900703_005_005 REGULATED SOC-203008 2105 2,4-D < 10.000 UG/L 70 10 08-09-2021 108 2030/08
CA4900703_005_005 REGULATED SOC-202408 2050 ATRAZINE < 0.500 UG/L 1 .5 08-09-2021 36 2024/08
CA4900703_005_005 REGULATED SOC-202408 2046 CARBOFURAN < 5.000 UG/L 18 5 08-09-2021 36 2024/08
CA4900703_005_005 REGULATED SOC-202408 2031 DALAPON < 10.000 UG/L 200 10 08-09-2021 36 2024/08
CA4900703_005_005 REGULATED SOC-202408 2041 DINOSEB < 2.000 UG/L 7 2 08-09-2021 36 2024/08
CA4900703_005_005 REGULATED SOC-202408 2032 DIQUAT < 4.000 UG/L 20 4 08-09-2021 36 2024/08
CA4900703_005_005 REGULATED SOC-202408 2033 ENDOTHALL < 45.000 UG/L 100 45 08-09-2021 36 2024/08
CA4900703_005_005 REGULATED SOC-202708 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 08-27-2018 108 2027/08
CA4900703_005_005 REGULATED SOC-202708 2065 HEPTACHLOR < UG/L .01 .01 08-08-2018 108 2027/08
CA4900703_005_005 REGULATED SOC-202708 2067 HEPTACHLOR EPOXIDE < UG/L .01 .01 08-08-2018 108 2027/08
CA4900703_005_005 REGULATED SOC-202708 2010 BHC-GAMMA < 0.200 UG/L .2 .2 08-08-2018 108 2027/08
CA4900703_005_005 REGULATED SOC-202708 2015 METHOXYCHLOR < 10.000 UG/L 30 10 08-08-2018 108 2027/08
CA4900703_005_005 REGULATED SOC-202408 2036 OXAMYL < 20.000 UG/L 50 20 08-09-2021 36 2024/08
CA4900703_005_005 REGULATED SOC-202408 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 08-09-2021 36 2024/08
CA4900703_005_005 REGULATED SOC-202408 2040 PICLORAM < 1.000 UG/L 500 1 08-09-2021 36 2024/08
CA4900703_005_005 REGULATED SOC-202408 2037 SIMAZINE < 1.000 UG/L 4 1 08-09-2021 36 2024/08
CA4900703_005_005 REGULATED SOC-202708 2020 TOXAPHENE < 1.000 UG/L 3 1 08-08-2018 108 2027/08
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.