Date:04-29-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910034SYSTEM NAME:DOWNEY - CITY, WATER DEPT.COUNTY:LOS ANGELES 
SOURCE NO.:018SOURCE NAME:WELL 16 (OLD WELL 10)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_018_018 SECONDARY/GP-202702 1928 ALKALINITY, BICARBONATE 200.000 24.000 MG/L 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1919 CALCIUM 78.200 0.500 MG/L 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1929 ALKALINITY, CARBONATE < 20.000 MG/L 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1017 CHLORIDE 100.000 0.500 MG/L 500 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1905 COLOR < 3.000 UNITS 15 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1022 COPPER, FREE 1.500 1.000 UG/L 1000 50 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1915 HARDNESS, TOTAL (AS CACO3) 261.000 3.310 MG/L 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1021 HYDROXIDE AS CALCIUM CARBONATE < 20.000 MG/L 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1028 IRON < 30.000 UG/L 300 100 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1031 MAGNESIUM 15.900 0.500 MG/L 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1032 MANGANESE < 1.000 UG/L 50 20 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1920 ODOR < 1.000 TON 3 1 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1925 PH 7.730 0.100 pH 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1050 SILVER < 0.200 UG/L 100 10 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1052 SODIUM 68.000 10.000 MG/L 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1064 CONDUCTIVITY @ 25 C UMHOS/CM 810.000 2.000 UMHO/CM 1600 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1055 SULFATE 120.000 0.500 MG/L 500 .5 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1930 TDS 510.000 10.000 MG/L 1000 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 0100 TURBIDITY 0.100 0.100 NTU 5 .1 02-21-2024 36 2027/02
CA1910034_018_018 SECONDARY/GP-202702 1095 ZINC < 10.000 UG/L 5000 50 02-21-2024 36 2027/02
CA1910034_018_018 INORGANIC-202702 1002 ALUMINUM < 20.000 UG/L 1000 50 02-21-2024 36 2027/02
CA1910034_018_018 INORGANIC-202702 1074 ANTIMONY, TOTAL < 0.500 UG/L 6 6 02-21-2024 36 2027/02
CA1910034_018_018 INORGANIC-202702 1005 ARSENIC 2.100 0.500 UG/L 10 2 02-21-2024 36 2027/02
CA1910034_018_018 INORGANIC-202702 1010 BARIUM 68.000 1.000 UG/L 1000 100 02-21-2024 36 2027/02
CA1910034_018_018 INORGANIC-202702 1075 BERYLLIUM, TOTAL < 0.100 UG/L 4 1 02-21-2024 36 2027/02
CA1910034_018_018 INORGANIC-202702 1015 CADMIUM < 0.500 UG/L 5 1 02-21-2024 36 2027/02
CA1910034_018_018 INORGANIC-202702 1020 CHROMIUM < 2.000 UG/L 50 10 02-21-2024 36 2027/02
CA1910034_018_018 INORGANIC-202702 1024 CYANIDE < 5.000 UG/L 150 100 02-21-2024 36 2027/02
CA1910034_018_018 INORGANIC-202702 1025 FLUORIDE 0.330 0.100 MG/L 2 .1 02-21-2024 36 2027/02
CA1910034_018_018 INORGANIC-202702 1035 MERCURY < 0.050 UG/L 2 1 02-21-2024 36 2027/02
CA1910034_018_018 INORGANIC-202702 1036 NICKEL < 2.000 UG/L 100 10 02-21-2024 36 2027/02
CA1910034_018_018 INORGANIC-202405 1039 PERCHLORATE < 2.000 UG/L 6 2 05-16-2023 12 2024/05
CA1910034_018_018 INORGANIC-202702 1045 SELENIUM 0.740 0.500 UG/L 50 5 02-21-2024 36 2027/02
CA1910034_018_018 INORGANIC-202702 1085 THALLIUM, TOTAL < 0.200 UG/L 2 1 02-21-2024 36 2027/02
CA1910034_018_018 NITRATE/NITRITE-202502 1040 NITRATE 3.700 0.200 MG/L 10 .4 02-21-2024 12 2025/02
CA1910034_018_018 NITRATE/NITRITE-202702 1041 NITRITE < 0.100 MG/L 1 .4 02-21-2024 36 2027/02
CA1910034_018_018 RADIOLOGICAL-202710 4109 GROSS ALPHA PARTICLE ACTIVITY < PCI/L 15 3 10-23-2018 108 2027/10
CA1910034_018_018 RADIOLOGICAL-202710 4030 RADIUM-228 < 0.700 PCI/L 1 10-23-2018 108 2027/10
CA1910034_018_018 REGULATED VOC-202405 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2990 BENZENE < 0.500 UG/L 1 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2251 METHYL TERT-BUTYL ETHER < 2.000 UG/L 13 3 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2996 STYRENE < 0.500 UG/L 100 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2991 TOLUENE < 0.500 UG/L 150 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2904 TRICHLOROTRIFLUOROETHANE < 5.000 UG/L 1200 10 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED VOC-202405 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 05-16-2023 12 2024/05
CA1910034_018_018 REGULATED SOC-202611 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 02-26-2024 33 2026/11
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.