Date:04-29-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910034SYSTEM NAME:DOWNEY - CITY, WATER DEPT.COUNTY:LOS ANGELES 
SOURCE NO.:007SOURCE NAME:WELL 05 (STOAKES 13)SOURCE CLASS:LGLJSTATUS: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
CA1910034_007_007 SECONDARY/GP-202001 1928 ALKALINITY, BICARBONATE 170.000 MG/L 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 SECONDARY/GP-202001 1919 CALCIUM 64.000 MG/L 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 SECONDARY/GP-202001 1929 ALKALINITY, CARBONATE < 2.400 MG/L 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 SECONDARY/GP-202001 1017 CHLORIDE 90.000 MG/L 500 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 SECONDARY/GP-202602 1905 COLOR < 5.000 UNITS 15 02-22-2023 36 2026/02
CA1910034_007_007 SECONDARY/GP-202001 1022 COPPER, FREE < 50.000 UG/L 1000 50 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 SECONDARY/GP-202001 2905 FOAMING AGENTS (SURFACTANTS) < 0.100 MG/L .5 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 SECONDARY/GP-202001 1915 HARDNESS, TOTAL (AS CACO3) 210.000 MG/L 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 SECONDARY/GP-202001 1021 HYDROXIDE AS CALCIUM CARBONATE < 1.400 MG/L 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 SECONDARY/GP-202602 1028 IRON 110.000 20.000 UG/L 300 100 02-22-2023 36 2026/02
CA1910034_007_007 SECONDARY/GP-202001 1031 MAGNESIUM 13.000 MG/L 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 SECONDARY/GP-202602 1032 MANGANESE 280.000 10.000 UG/L 50 20 02-22-2023 36 2026/02
CA1910034_007_007 SECONDARY/GP-202602 1920 ODOR < 1.000 TON 3 1 02-22-2023 36 2026/02
CA1910034_007_007 SECONDARY/GP-202001 1925 PH 7.300 pH 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 SECONDARY/GP-202001 1050 SILVER < 10.000 UG/L 100 10 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 SECONDARY/GP-202001 1052 SODIUM 66.000 MG/L 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 SECONDARY/GP-202001 1064 CONDUCTIVITY @ 25 C UMHOS/CM 780.000 UMHO/CM 1600 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 SECONDARY/GP-202602 1055 SULFATE 120.000 0.500 MG/L 500 .5 02-24-2023 36 2026/02
CA1910034_007_007 SECONDARY/GP-202001 1930 TDS 480.000 MG/L 1000 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 SECONDARY/GP-202602 0100 TURBIDITY 0.320 0.100 NTU 5 .1 02-22-2023 36 2026/02
CA1910034_007_007 SECONDARY/GP-202001 1095 ZINC < 50.000 UG/L 5000 50 01-10-2017 36 2020/01 DUE NOW
CA1910034_007_007 INORGANIC-202502 1002 ALUMINUM < 20.000 UG/L 1000 50 02-23-2022 36 2025/02
CA1910034_007_007 INORGANIC-202502 1074 ANTIMONY, TOTAL < 0.500 UG/L 6 6 02-23-2022 36 2025/02
CA1910034_007_007 INORGANIC-202502 1005 ARSENIC 2.000 0.400 UG/L 10 2 02-23-2022 36 2025/02
CA1910034_007_007 INORGANIC-202502 1010 BARIUM 77.000 1.000 UG/L 1000 100 02-23-2022 36 2025/02
CA1910034_007_007 INORGANIC-202502 1075 BERYLLIUM, TOTAL < 0.100 UG/L 4 1 02-23-2022 36 2025/02
CA1910034_007_007 INORGANIC-202502 1015 CADMIUM < 0.200 UG/L 5 1 02-23-2022 36 2025/02
CA1910034_007_007 INORGANIC-202502 1020 CHROMIUM 0.590 0.200 UG/L 50 10 02-23-2022 36 2025/02
CA1910034_007_007 INORGANIC-202502 1024 CYANIDE < 5.000 UG/L 150 100 02-23-2022 36 2025/02
CA1910034_007_007 INORGANIC-202502 1025 FLUORIDE 0.270 0.100 MG/L 2 .1 02-23-2022 36 2025/02
CA1910034_007_007 INORGANIC-202502 1035 MERCURY < 0.050 UG/L 2 1 02-23-2022 36 2025/02
CA1910034_007_007 INORGANIC-202502 1036 NICKEL < 2.000 UG/L 100 10 02-23-2022 36 2025/02
CA1910034_007_007 INORGANIC-202302 1039 PERCHLORATE < 2.000 UG/L 6 2 02-23-2022 12 2023/02 DUE NOW
CA1910034_007_007 INORGANIC-202502 1045 SELENIUM 0.650 0.400 UG/L 50 5 02-23-2022 36 2025/02
CA1910034_007_007 INORGANIC-202502 1085 THALLIUM, TOTAL < 0.200 UG/L 2 1 02-23-2022 36 2025/02
CA1910034_007_007 NITRATE/NITRITE-202402 1040 NITRATE 4.800 0.200 MG/L 10 .4 02-24-2023 12 2024/02 DUE NOW
CA1910034_007_007 NITRATE/NITRITE-202402 1041 NITRITE < 0.400 MG/L 1 .4 02-17-2021 36 2024/02 DUE NOW
CA1910034_007_007 RADIOLOGICAL-202711 4109 GROSS ALPHA PARTICLE ACTIVITY < PCI/L 15 3 11-06-2018 108 2027/11
CA1910034_007_007 RADIOLOGICAL-202711 4030 RADIUM-228 < 0.800 PCI/L 1 11-06-2018 108 2027/11
CA1910034_007_007 REGULATED VOC-202502 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2990 BENZENE < 0.500 UG/L 1 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2251 METHYL TERT-BUTYL ETHER < 2.000 UG/L 13 3 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2996 STYRENE < 0.500 UG/L 100 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2991 TOLUENE < 0.500 UG/L 150 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2904 TRICHLOROTRIFLUOROETHANE < 5.000 UG/L 1200 10 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED VOC-202502 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 02-21-2024 12 2025/02
CA1910034_007_007 REGULATED SOC-202611 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 02-26-2024 33 2026/11
CA1910034_007_007 REGULATED SOC-202608 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 11-15-2023 33 2026/08
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.