Date:05-14-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:3910005SYSTEM NAME:MANTECA, CITY OFCOUNTY:SAN JOAQUIN 
SOURCE NO.:040SOURCE NAME:WELL NO. 22 - RAWSOURCE CLASS:CLGASTATUS: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
CA3910005_040_040 SECONDARY/GP-202605 1994 AGGRESSIVE INDEX 12.400 AGGR 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1928 ALKALINITY, BICARBONATE 210.000 3.000 MG/L 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1919 CALCIUM 52.000 0.100 MG/L 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1929 ALKALINITY, CARBONATE < 3.000 MG/L 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1017 CHLORIDE 25.000 1.000 MG/L 500 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1905 COLOR < 5.000 UNITS 15 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1022 COPPER, FREE < 5.000 UG/L 1000 50 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1915 HARDNESS, TOTAL (AS CACO3) 200.000 0.410 MG/L 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1021 HYDROXIDE AS CALCIUM CARBONATE < 3.000 MG/L 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1028 IRON < 30.000 UG/L 300 100 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1031 MAGNESIUM 16.000 0.100 MG/L 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1032 MANGANESE < 10.000 UG/L 50 20 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1920 ODOR < 1.000 TON 3 1 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1925 PH 7.900 pH 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1050 SILVER < 10.000 UG/L 100 10 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1052 SODIUM 25.000 1.000 MG/L 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202612 1064 CONDUCTIVITY @ 25 C UMHOS/CM 530.000 1.000 UMHO/CM 1600 12-12-2023 36 2026/12
CA3910005_040_040 SECONDARY/GP-202605 1055 SULFATE 31.000 1.000 MG/L 500 .5 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1930 TDS 370.000 5.000 MG/L 1000 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 0100 TURBIDITY 0.300 0.100 NTU 5 .1 05-09-2023 36 2026/05
CA3910005_040_040 SECONDARY/GP-202605 1095 ZINC < 50.000 UG/L 5000 50 05-09-2023 36 2026/05
CA3910005_040_040 INORGANIC-202605 1002 ALUMINUM < 50.000 UG/L 1000 50 05-09-2023 36 2026/05
CA3910005_040_040 INORGANIC-202605 1074 ANTIMONY, TOTAL < 2.000 UG/L 6 6 05-09-2023 36 2026/05
CA3910005_040_040 INORGANIC-202404 1005 ARSENIC 9.500 2.000 UG/L 10 2 03-25-2024 1 2024/04 DUE NOW
CA3910005_040_040 INORGANIC-202605 1010 BARIUM 100.000 50.000 UG/L 1000 100 05-09-2023 36 2026/05
CA3910005_040_040 INORGANIC-202605 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 05-09-2023 36 2026/05
CA3910005_040_040 INORGANIC-202605 1015 CADMIUM < 1.000 UG/L 5 1 05-09-2023 36 2026/05
CA3910005_040_040 INORGANIC-202605 1020 CHROMIUM < 10.000 UG/L 50 10 05-09-2023 36 2026/05
CA3910005_040_040 INORGANIC-202605 1025 FLUORIDE 0.120 0.100 MG/L 2 .1 05-09-2023 36 2026/05
CA3910005_040_040 INORGANIC-202605 1035 MERCURY < 0.200 UG/L 2 1 05-09-2023 36 2026/05
CA3910005_040_040 INORGANIC-202605 1036 NICKEL < 10.000 UG/L 100 10 05-09-2023 36 2026/05
CA3910005_040_040 INORGANIC-202612 1039 PERCHLORATE < 0.500 UG/L 6 2 12-12-2023 36 2026/12
CA3910005_040_040 INORGANIC-202605 1045 SELENIUM < 2.000 UG/L 50 5 05-09-2023 36 2026/05
CA3910005_040_040 INORGANIC-202605 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 05-09-2023 36 2026/05
CA3910005_040_040 NITRATE/NITRITE-202405 1040 NITRATE 4.400 0.230 MG/L 10 .4 05-09-2023 12 2024/05 DUE NOW
CA3910005_040_040 NITRATE/NITRITE-202605 1041 NITRITE < 0.050 MG/L 1 .4 05-09-2023 36 2026/05
CA3910005_040_040 RADIOLOGICAL-202605 4109 GROSS ALPHA PARTICLE ACTIVITY 6.600 +/- 1.850 1.400 PCI/L 15 3 05-12-2020 72 2026/05
CA3910005_040_040 REGULATED VOC-202402 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2990 BENZENE < 0.500 UG/L 1 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2996 STYRENE < 0.500 UG/L 100 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2991 TOLUENE < 0.500 UG/L 150 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED VOC-202402 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 02-08-2021 36 2024/02 DUE NOW
CA3910005_040_040 REGULATED SOC-202610 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 10-09-2023 36 2026/10
CA3910005_040_040 REGULATED SOC-203209 2050 ATRAZINE < 0.500 UG/L 1 .5 09-12-2023 108 2032/09
CA3910005_040_040 REGULATED SOC-202608 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 08-07-2023 36 2026/08
CA3910005_040_040 REGULATED SOC-202608 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 08-07-2023 36 2026/08
CA3910005_040_040 REGULATED SOC-203209 2037 SIMAZINE < 1.000 UG/L 4 1 09-12-2023 108 2032/09
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.