Date:05-02-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910126SYSTEM NAME:POMONA - CITY, WATER DEPT.COUNTY:LOS ANGELES 
SOURCE NO.:031SOURCE NAME:TUNNEL WELL 01SOURCE CLASS:LGLBSTATUS: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
CA1910126_031_031 SECONDARY/GP-202607 1928 ALKALINITY, BICARBONATE 170.000 5.000 MG/L 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1919 CALCIUM 56.000 0.100 MG/L 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1929 ALKALINITY, CARBONATE < 5.000 MG/L 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1017 CHLORIDE 6.300 1.000 MG/L 500 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1905 COLOR < 5.000 UNITS 15 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1022 COPPER, FREE < 10.000 UG/L 1000 50 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 2905 FOAMING AGENTS (SURFACTANTS) < 0.040 MG/L .5 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1915 HARDNESS, TOTAL (AS CACO3) 180.000 3.300 MG/L 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1028 IRON < 20.000 UG/L 300 100 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1031 MAGNESIUM 10.000 0.100 MG/L 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1032 MANGANESE < 10.000 UG/L 50 20 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1920 ODOR < 1.000 TON 3 1 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1925 PH 7.670 pH 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1050 SILVER < 5.000 UG/L 100 10 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1052 SODIUM 12.000 0.500 MG/L 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1064 CONDUCTIVITY @ 25 C UMHOS/CM 400.000 1.000 UMHO/CM 1600 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1055 SULFATE 27.000 0.500 MG/L 500 .5 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1930 TDS 180.000 20.000 MG/L 1000 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 0100 TURBIDITY < 0.100 NTU 5 .1 07-12-2023 36 2026/07
CA1910126_031_031 SECONDARY/GP-202607 1095 ZINC < 50.000 UG/L 5000 50 07-12-2023 36 2026/07
CA1910126_031_031 INORGANIC-202607 1002 ALUMINUM < 50.000 UG/L 1000 50 07-12-2023 36 2026/07
CA1910126_031_031 INORGANIC-202607 1074 ANTIMONY, TOTAL < 2.000 UG/L 6 6 07-12-2023 36 2026/07
CA1910126_031_031 INORGANIC-202607 1005 ARSENIC < 2.000 UG/L 10 2 07-12-2023 36 2026/07
CA1910126_031_031 INORGANIC-202607 1010 BARIUM 27.000 5.000 UG/L 1000 100 07-12-2023 36 2026/07
CA1910126_031_031 INORGANIC-202607 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-12-2023 36 2026/07
CA1910126_031_031 INORGANIC-202607 1015 CADMIUM < 1.000 UG/L 5 1 07-12-2023 36 2026/07
CA1910126_031_031 INORGANIC-202607 1020 CHROMIUM 7.200 5.000 UG/L 50 10 07-12-2023 36 2026/07
CA1910126_031_031 INORGANIC-202607 1024 CYANIDE < 10.000 UG/L 150 100 07-12-2023 36 2026/07
CA1910126_031_031 INORGANIC-202607 1025 FLUORIDE 0.330 0.100 MG/L 2 .1 07-12-2023 36 2026/07
CA1910126_031_031 INORGANIC-202607 1035 MERCURY < 0.400 UG/L 2 1 07-12-2023 36 2026/07
CA1910126_031_031 INORGANIC-202607 1036 NICKEL < 5.000 UG/L 100 10 07-12-2023 36 2026/07
CA1910126_031_031 INORGANIC-202407 1039 PERCHLORATE < 2.000 UG/L 6 2 07-12-2023 12 2024/07
CA1910126_031_031 INORGANIC-202607 1045 SELENIUM < 2.000 UG/L 50 5 07-12-2023 36 2026/07
CA1910126_031_031 INORGANIC-202607 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-12-2023 36 2026/07
CA1910126_031_031 NITRATE/NITRITE-202407 1040 NITRATE 1.300 0.100 MG/L 10 .4 07-12-2023 12 2024/07
CA1910126_031_031 NITRATE/NITRITE-202607 1041 NITRITE < 0.100 MG/L 1 .4 07-12-2023 36 2026/07
CA1910126_031_031 RADIOLOGICAL-202708 4109 GROSS ALPHA PARTICLE ACTIVITY < 2.600 PCI/L 15 3 08-01-2018 108 2027/08
CA1910126_031_031 RADIOLOGICAL-202708 4020 RADIUM-226 < 0.300 PCI/L 1 08-01-2018 108 2027/08
CA1910126_031_031 RADIOLOGICAL-202708 4030 RADIUM-228 < 0.700 PCI/L 1 08-01-2018 108 2027/08
CA1910126_031_031 RADIOLOGICAL-202408 4006 COMBINED URANIUM 1.800 +/- 0.000 1.000 PCI/L 20 1 08-01-2018 72 2024/08
CA1910126_031_031 REGULATED VOC-202407 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202007 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-18-2019 12 2020/07 DUE NOW
CA1910126_031_031 REGULATED VOC-202407 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2990 BENZENE < 0.500 UG/L 1 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2996 STYRENE < 0.500 UG/L 100 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2991 TOLUENE < 0.500 UG/L 150 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED VOC-202407 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-12-2023 12 2024/07
CA1910126_031_031 REGULATED SOC-202501 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 01-11-2024 12 2025/01
CA1910126_031_031 REGULATED SOC-202607 2105 2,4-D < 10.000 UG/L 70 10 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2050 ATRAZINE < 0.500 UG/L 1 .5 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2625 BENTAZON < 2.000 UG/L 18 2 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2046 CARBOFURAN < 5.000 UG/L 18 5 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2959 CHLORDANE < 0.100 UG/L .1 .1 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2041 DINOSEB < 2.000 UG/L 7 2 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2032 DIQUAT < 4.000 UG/L 20 4 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2033 ENDOTHALL < 45.000 UG/L 100 45 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2005 ENDRIN < 0.100 UG/L 2 .1 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2034 GLYPHOSATE < 25.000 UG/L 700 25 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2010 BHC-GAMMA < 0.200 UG/L .2 .2 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2015 METHOXYCHLOR < 10.000 UG/L 30 10 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2036 OXAMYL < 20.000 UG/L 50 20 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2037 SIMAZINE < 1.000 UG/L 4 1 10-12-2023 33 2026/07
CA1910126_031_031 REGULATED SOC-202607 2020 TOXAPHENE < 1.000 UG/L 3 1 10-12-2023 33 2026/07
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.