Date:05-17-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:5010010SYSTEM NAME:MODESTO, CITY OFCOUNTY:STANISLAUS 
SOURCE NO.:148SOURCE NAME:WELL 283 - 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
CA5010010_148_148 SECONDARY/GP-202605 1928 ALKALINITY, BICARBONATE 48.000 5.000 MG/L 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1919 CALCIUM 13.000 1.000 MG/L 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1929 ALKALINITY, CARBONATE < 5.000 MG/L 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1017 CHLORIDE 7.600 0.500 MG/L 500 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1905 COLOR < 5.000 UNITS 15 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1022 COPPER, FREE < 50.000 UG/L 1000 50 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1915 HARDNESS, TOTAL (AS CACO3) 43.000 5.000 MG/L 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1028 IRON < 100.000 UG/L 300 100 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1031 MAGNESIUM 2.500 1.000 MG/L 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1032 MANGANESE < 20.000 UG/L 50 20 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1920 ODOR < 1.000 TON 3 1 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1925 PH 7.680 1.680 pH 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1050 SILVER < 10.000 UG/L 100 10 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1052 SODIUM 7.900 1.000 MG/L 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1064 CONDUCTIVITY @ 25 C UMHOS/CM 110.000 20.000 UMHO/CM 1600 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1055 SULFATE 3.600 0.500 MG/L 500 .5 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1930 TDS 76.000 10.000 MG/L 1000 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 0100 TURBIDITY 0.590 0.100 NTU 5 .1 05-03-2023 36 2026/05
CA5010010_148_148 SECONDARY/GP-202605 1095 ZINC < 50.000 UG/L 5000 50 05-03-2023 36 2026/05
CA5010010_148_148 INORGANIC-202605 1002 ALUMINUM < 50.000 UG/L 1000 50 05-03-2023 36 2026/05
CA5010010_148_148 INORGANIC-202605 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 05-03-2023 36 2026/05
CA5010010_148_148 INORGANIC-202605 1005 ARSENIC < 2.000 UG/L 10 2 05-03-2023 36 2026/05
CA5010010_148_148 INORGANIC-202605 1010 BARIUM < 100.000 UG/L 1000 100 05-03-2023 36 2026/05
CA5010010_148_148 INORGANIC-202605 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 05-03-2023 36 2026/05
CA5010010_148_148 INORGANIC-202605 1015 CADMIUM < 1.000 UG/L 5 1 05-03-2023 36 2026/05
CA5010010_148_148 INORGANIC-202605 1020 CHROMIUM < 10.000 UG/L 50 10 05-03-2023 36 2026/05
CA5010010_148_148 INORGANIC-202605 1025 FLUORIDE < 0.100 MG/L 2 .1 05-03-2023 36 2026/05
CA5010010_148_148 INORGANIC-202605 1035 MERCURY < 1.000 UG/L 2 1 05-03-2023 36 2026/05
CA5010010_148_148 INORGANIC-202605 1036 NICKEL < 10.000 UG/L 100 10 05-03-2023 36 2026/05
CA5010010_148_148 INORGANIC-202305 1039 PERCHLORATE < 4.000 UG/L 6 4 05-06-2020 36 2023/05 DUE NOW
CA5010010_148_148 INORGANIC-202605 1045 SELENIUM < 5.000 UG/L 50 5 05-03-2023 36 2026/05
CA5010010_148_148 INORGANIC-202605 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 05-03-2023 36 2026/05
CA5010010_148_148 NITRATE/NITRITE-202504 1040 NITRATE 1.400 0.400 MG/L 10 .4 04-03-2024 12 2025/04
CA5010010_148_148 NITRATE/NITRITE-202605 1041 NITRITE < 0.200 MG/L 1 .4 05-03-2023 36 2026/05
CA5010010_148_148 RADIOLOGICAL-202307 4109 GROSS ALPHA PARTICLE ACTIVITY 1.990 +/- 0.864 0.732 PCI/L 15 3 04-05-2023 3 2023/07 DUE NOW
CA5010010_148_148 RADIOLOGICAL-202407 4006 COMBINED URANIUM 3.000 +/- 0.000 1.000 PCI/L 20 1 04-03-2024 3 2024/07
CA5010010_148_148 REGULATED VOC-202701 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2977 1,1-DICHLOROETHYLENE < 0.300 UG/L 6 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2990 BENZENE < 0.500 UG/L 1 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2996 STYRENE < 0.500 UG/L 100 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2991 TOLUENE < 0.500 UG/L 150 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED VOC-202701 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 01-02-2024 36 2027/01
CA5010010_148_148 REGULATED SOC-202702 2414 1,2,3-TRICHLOROPROPANE < 0.001 UG/L 0.005 02-07-2024 36 2027/02
CA5010010_148_148 REGULATED SOC-202812 2050 ATRAZINE < 0.500 UG/L 1 .5 12-12-2019 108 2028/12
CA5010010_148_148 REGULATED SOC-202603 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 03-01-2023 36 2026/03
CA5010010_148_148 REGULATED SOC-202603 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 03-01-2023 36 2026/03
CA5010010_148_148 REGULATED SOC-202812 2037 SIMAZINE < 1.000 UG/L 4 1 12-12-2019 108 2028/12
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.