Date:05-19-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:3910012SYSTEM NAME:CITY OF STOCKTONCOUNTY:SAN JOAQUIN 
SOURCE NO.:092SOURCE NAME:WELL NO. 30 - STANDBYSOURCE CLASS:STBYSTATUS: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
CA3910012_092_092 SECONDARY/GP-203108 1928 ALKALINITY, BICARBONATE 220.000 5.000 MG/L 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1919 CALCIUM 73.000 1.000 MG/L 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1929 ALKALINITY, CARBONATE < 5.000 MG/L 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1017 CHLORIDE 23.000 5.000 MG/L 500 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1905 COLOR < 5.000 UNITS 15 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1022 COPPER, FREE < 50.000 UG/L 1000 50 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1915 HARDNESS, TOTAL (AS CACO3) 283.000 5.000 MG/L 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1028 IRON < 100.000 UG/L 300 100 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1031 MAGNESIUM 25.000 1.000 MG/L 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1032 MANGANESE 25.000 20.000 UG/L 50 20 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1920 ODOR < 1.000 TON 3 1 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1925 PH 7.480 1.680 pH 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1050 SILVER < 10.000 UG/L 100 10 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1052 SODIUM 20.000 1.000 MG/L 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1064 CONDUCTIVITY @ 25 C UMHOS/CM 560.000 20.000 UMHO/CM 1600 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1055 SULFATE 22.000 0.500 MG/L 500 .5 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1930 TDS 380.000 10.000 MG/L 1000 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 0100 TURBIDITY 0.220 0.100 NTU 5 .1 08-23-2022 108 2031/08
CA3910012_092_092 SECONDARY/GP-203108 1095 ZINC < 50.000 UG/L 5000 50 08-23-2022 108 2031/08
CA3910012_092_092 INORGANIC-203108 1002 ALUMINUM < 50.000 UG/L 1000 50 08-23-2022 108 2031/08
CA3910012_092_092 INORGANIC-203108 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 08-23-2022 108 2031/08
CA3910012_092_092 INORGANIC-203108 1005 ARSENIC 3.500 2.000 UG/L 10 2 08-23-2022 108 2031/08
CA3910012_092_092 INORGANIC-203108 1010 BARIUM 260.000 100.000 UG/L 1000 100 08-23-2022 108 2031/08
CA3910012_092_092 INORGANIC-203108 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 08-23-2022 108 2031/08
CA3910012_092_092 INORGANIC-203108 1015 CADMIUM < 1.000 UG/L 5 1 08-23-2022 108 2031/08
CA3910012_092_092 INORGANIC-203108 1020 CHROMIUM < 10.000 UG/L 50 10 08-23-2022 108 2031/08
CA3910012_092_092 INORGANIC-203108 1025 FLUORIDE < 0.100 MG/L 2 .1 08-23-2022 108 2031/08
CA3910012_092_092 INORGANIC-203108 1035 MERCURY < 1.000 UG/L 2 1 08-23-2022 108 2031/08
CA3910012_092_092 INORGANIC-203108 1036 NICKEL < 10.000 UG/L 100 10 08-23-2022 108 2031/08
CA3910012_092_092 INORGANIC-203108 1039 PERCHLORATE < 2.000 UG/L 6 2 08-23-2022 108 2031/08
CA3910012_092_092 INORGANIC-203108 1045 SELENIUM < 5.000 UG/L 50 5 08-23-2022 108 2031/08
CA3910012_092_092 INORGANIC-203108 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 08-23-2022 108 2031/08
CA3910012_092_092 NITRATE/NITRITE-203108 1040 NITRATE 6.200 0.400 MG/L 10 .4 08-23-2022 108 2031/08
CA3910012_092_092 NITRATE/NITRITE-203108 1041 NITRITE < 0.400 MG/L 1 .4 08-23-2022 108 2031/08
CA3910012_092_092 RADIOLOGICAL-202902 4109 GROSS ALPHA PARTICLE ACTIVITY 3.990 +/- 1.400 1.100 PCI/L 15 3 02-18-2020 108 2029/02
CA3910012_092_092 REGULATED VOC-203108 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2990 BENZENE < 0.500 UG/L 1 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2996 STYRENE < 0.500 UG/L 100 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2991 TOLUENE < 0.500 UG/L 150 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED VOC-203108 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED SOC-202503 2414 1,2,3-TRICHLOROPROPANE 0.009 0.005 UG/L 0.005 03-08-2022 36 2025/03
CA3910012_092_092 REGULATED SOC-203208 2050 ATRAZINE < 0.500 UG/L 1 .5 08-16-2023 108 2032/08
CA3910012_092_092 REGULATED SOC-203108 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED SOC-203108 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 08-23-2022 108 2031/08
CA3910012_092_092 REGULATED SOC-203208 2037 SIMAZINE < 1.000 UG/L 4 1 08-16-2023 108 2032/08
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.