Date:05-12-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4310011SYSTEM NAME:SAN JOSE WATERCOUNTY:SANTA CLARA 
SOURCE NO.:115SOURCE NAME:TWELFTH ST. WELL 10SOURCE CLASS:SJWNSTATUS: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
CA4310011_115_115 SECONDARY/GP-202402 1928 ALKALINITY, BICARBONATE 330.000 MG/L 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1919 CALCIUM 74.000 MG/L 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1929 ALKALINITY, CARBONATE < MG/L 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1017 CHLORIDE 58.000 MG/L 500 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1905 COLOR < UNITS 15 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1022 COPPER, FREE < 50.000 UG/L 1000 50 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 2905 FOAMING AGENTS (SURFACTANTS) < MG/L .5 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1915 HARDNESS, TOTAL (AS CACO3) 353.000 MG/L 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1021 HYDROXIDE AS CALCIUM CARBONATE < MG/L 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-203002 1028 IRON < 100.000 UG/L 300 100 02-03-2021 108 2030/02
CA4310011_115_115 SECONDARY/GP-202402 1031 MAGNESIUM 41.000 MG/L 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1032 MANGANESE < 20.000 UG/L 50 20 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1920 ODOR < 1.000 TON 3 1 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1925 PH 7.870 pH 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1050 SILVER < 10.000 UG/L 100 10 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1052 SODIUM 32.000 MG/L 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1064 CONDUCTIVITY @ 25 C UMHOS/CM 780.000 UMHO/CM 1600 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1055 SULFATE 57.000 0.500 MG/L 500 .5 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1930 TDS 460.000 MG/L 1000 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 0100 TURBIDITY 0.150 0.100 NTU 5 .1 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 SECONDARY/GP-202402 1095 ZINC < 50.000 UG/L 5000 50 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 INORGANIC-202402 1002 ALUMINUM < 50.000 UG/L 1000 50 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 INORGANIC-202402 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 INORGANIC-202402 1005 ARSENIC < 2.000 UG/L 10 2 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 INORGANIC-202402 1010 BARIUM 180.000 100.000 UG/L 1000 100 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 INORGANIC-202402 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 INORGANIC-202402 1015 CADMIUM < 1.000 UG/L 5 1 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 INORGANIC-202402 1020 CHROMIUM < 10.000 UG/L 50 10 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 INORGANIC-202402 1024 CYANIDE < 100.000 UG/L 150 100 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 INORGANIC-202402 1025 FLUORIDE < 0.100 MG/L 2 .1 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 INORGANIC-202402 1035 MERCURY < 1.000 UG/L 2 1 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 INORGANIC-202402 1036 NICKEL < 10.000 UG/L 100 10 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 INORGANIC-202402 1039 PERCHLORATE < 4.000 UG/L 6 4 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 INORGANIC-202402 1045 SELENIUM < 5.000 UG/L 50 5 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 INORGANIC-202402 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 NITRATE/NITRITE-202503 1040 NITRATE 3.100 0.400 MG/L 10 .4 03-14-2024 12 2025/03
CA4310011_115_115 NITRATE/NITRITE-202402 1041 NITRITE < 0.400 MG/L 1 .4 02-03-2021 36 2024/02 DUE NOW
CA4310011_115_115 RADIOLOGICAL-203303 4109 GROSS ALPHA PARTICLE ACTIVITY 2.280 +/- 1.540 2.260 PCI/L 15 3 03-14-2024 108 2033/03
CA4310011_115_115 REGULATED VOC-202603 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2990 BENZENE < 0.500 UG/L 1 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2996 STYRENE < 0.500 UG/L 100 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2991 TOLUENE < 0.500 UG/L 150 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED VOC-202603 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 03-03-2023 36 2026/03
CA4310011_115_115 REGULATED SOC-202602 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 05-11-2023 33 2026/02
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.