Date:04-27-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910050SYSTEM NAME:COMMERCE-CITY, WATER DEPT.COUNTY:LOS ANGELES 
SOURCE NO.:All SourcesSOURCE NAME:N/ASOURCE CLASS:N/ASTATUS:N/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
CA1910050_005_005 SECONDARY/GP-202408 1994 AGGRESSIVE INDEX 12.000 0.100 AGGR 08-16-2021 36 2024/08
CA1910050_005_005 GENERAL NON CHAP 15-202205 C253 PH, FIELD 7.200 pH 05-28-2019 36 2022/05 DUE NOW
CA1910050_005_005 INORGANIC-202408 1002 ALUMINUM < 20.000 UG/L 1000 50 08-16-2021 36 2024/08
CA1910050_005_005 INORGANIC-202408 1074 ANTIMONY, TOTAL < 1.000 UG/L 6 6 08-16-2021 36 2024/08
CA1910050_005_005 INORGANIC-202408 1005 ARSENIC 1.300 1.000 UG/L 10 2 08-16-2021 36 2024/08
CA1910050_005_005 INORGANIC-202408 1010 BARIUM 62.000 2.000 UG/L 1000 100 08-16-2021 36 2024/08
CA1910050_005_005 INORGANIC-202408 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 08-16-2021 36 2024/08
CA1910050_005_005 INORGANIC-202408 1015 CADMIUM < 0.500 UG/L 5 1 08-16-2021 36 2024/08
CA1910050_005_005 INORGANIC-202408 1020 CHROMIUM 1.200 1.000 UG/L 50 10 08-16-2021 36 2024/08
CA1910050_005_005 INORGANIC-202408 1024 CYANIDE < 25.000 UG/L 150 100 08-16-2021 36 2024/08
CA1910050_005_005 INORGANIC-202408 1025 FLUORIDE 0.340 0.050 MG/L 2 .1 08-16-2021 36 2024/08
CA1910050_005_005 INORGANIC-202408 1035 MERCURY < 0.200 UG/L 2 1 08-16-2021 36 2024/08
CA1910050_005_005 INORGANIC-202408 1036 NICKEL < 5.000 UG/L 100 10 08-16-2021 36 2024/08
CA1910050_005_005 INORGANIC-202405 1039 PERCHLORATE < 2.000 UG/L 6 2 05-09-2023 12 2024/05
CA1910050_005_005 INORGANIC-202408 1045 SELENIUM < 5.000 UG/L 50 5 08-16-2021 36 2024/08
CA1910050_005_005 INORGANIC-202408 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 08-16-2021 36 2024/08
CA1910050_005_005 NITRATE/NITRITE-202502 1040 NITRATE 1.300 0.400 MG/L 10 .4 02-07-2024 12 2025/02
CA1910050_005_005 NITRATE/NITRITE-202408 1041 NITRITE < 0.100 MG/L 1 .4 08-16-2021 36 2024/08
CA1910050_005_005 RADIOLOGICAL-202805 4109 GROSS ALPHA PARTICLE ACTIVITY < 3.300 PCI/L 15 3 05-28-2019 108 2028/05
CA1910050_005_005 RADIOLOGICAL-202505 4006 COMBINED URANIUM < 1.000 PCI/L 20 1 05-28-2019 72 2025/05
CA1910050_005_005 REGULATED VOC-202503 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2990 BENZENE < 0.500 UG/L 1 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2251 METHYL TERT-BUTYL ETHER < 0.500 UG/L 13 3 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2996 STYRENE < 0.500 UG/L 100 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2987 TETRACHLOROETHYLENE 4.600 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2991 TOLUENE < 0.500 UG/L 150 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2984 TRICHLOROETHYLENE 0.500 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2904 TRICHLOROTRIFLUOROETHANE < 0.500 UG/L 1200 10 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED VOC-202503 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 03-05-2024 12 2025/03
CA1910050_005_005 REGULATED SOC-202608 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 11-14-2023 33 2026/08
CA1910050_005_005 REGULATED SOC-202604 2050 ATRAZINE < 0.500 UG/L 1 .5 07-17-2023 33 2026/04
CA1910050_005_005 REGULATED SOC-202604 2306 BENZO(A)PYRENE < 0.100 UG/L .2 .1 07-17-2023 33 2026/04
CA1910050_005_005 REGULATED SOC-202604 2959 CHLORDANE < 0.100 UG/L .1 .1 07-17-2023 33 2026/04
CA1910050_005_005 REGULATED SOC-202604 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 07-17-2023 33 2026/04
CA1910050_005_005 REGULATED SOC-202604 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 07-17-2023 33 2026/04
CA1910050_005_005 REGULATED SOC-202604 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 07-17-2023 33 2026/04
CA1910050_005_005 REGULATED SOC-202604 2015 METHOXYCHLOR < 10.000 UG/L 30 10 07-17-2023 33 2026/04
CA1910050_005_005 REGULATED SOC-202604 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 07-17-2023 33 2026/04
CA1910050_005_005 REGULATED SOC-202604 2037 SIMAZINE < 1.000 UG/L 4 1 07-17-2023 33 2026/04
CA1910050_008_008 SECONDARY/GP-202406 1994 AGGRESSIVE INDEX 12.000 AGGR 06-22-2021 36 2024/06
CA1910050_008_008 GENERAL NON CHAP 15-202609 C253 PH, FIELD 7.600 pH 09-12-2023 36 2026/09
CA1910050_008_008 INORGANIC-202406 1002 ALUMINUM < 50.000 UG/L 1000 50 06-22-2021 36 2024/06
CA1910050_008_008 INORGANIC-202606 1074 ANTIMONY, TOTAL < 1.000 UG/L 6 6 06-14-2023 36 2026/06
CA1910050_008_008 INORGANIC-202606 1005 ARSENIC 2.900 1.000 UG/L 10 2 06-14-2023 36 2026/06
CA1910050_008_008 INORGANIC-202606 1010 BARIUM 73.200 1.000 UG/L 1000 100 06-14-2023 36 2026/06
CA1910050_008_008 INORGANIC-202606 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 06-14-2023 36 2026/06
CA1910050_008_008 INORGANIC-202606 1015 CADMIUM < 1.000 UG/L 5 1 06-14-2023 36 2026/06
CA1910050_008_008 INORGANIC-202606 1020 CHROMIUM 1.700 1.000 UG/L 50 10 06-14-2023 36 2026/06
CA1910050_008_008 INORGANIC-202406 1024 CYANIDE < 100.000 UG/L 150 100 06-22-2021 36 2024/06
CA1910050_008_008 INORGANIC-202406 1025 FLUORIDE 0.380 0.100 MG/L 2 .1 06-22-2021 36 2024/06
CA1910050_008_008 INORGANIC-202406 1035 MERCURY < 1.000 UG/L 2 1 06-22-2021 36 2024/06
CA1910050_008_008 INORGANIC-202606 1036 NICKEL 1.000 1.000 UG/L 100 10 06-14-2023 36 2026/06
CA1910050_008_008 INORGANIC-202406 1039 PERCHLORATE < 2.000 UG/L 6 2 06-20-2023 12 2024/06
CA1910050_008_008 INORGANIC-202606 1045 SELENIUM < 1.000 UG/L 50 5 06-14-2023 36 2026/06
CA1910050_008_008 INORGANIC-202606 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 06-14-2023 36 2026/06
CA1910050_008_008 NITRATE/NITRITE-202406 1040 NITRATE 0.230 0.230 MG/L 10 .4 06-20-2023 12 2024/06
CA1910050_008_008 NITRATE/NITRITE-202606 1041 NITRITE < 0.400 MG/L 1 .4 06-07-2023 36 2026/06
CA1910050_008_008 RADIOLOGICAL-203206 4109 GROSS ALPHA PARTICLE ACTIVITY < 1.060 PCI/L 15 3 06-20-2023 108 2032/06
CA1910050_008_008 RADIOLOGICAL-202906 4006 COMBINED URANIUM < 1.000 PCI/L 20 1 06-14-2023 72 2029/06
CA1910050_008_008 REGULATED VOC-202406 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2990 BENZENE < 0.500 UG/L 1 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2251 METHYL TERT-BUTYL ETHER < 0.500 UG/L 13 3 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2996 STYRENE < 0.500 UG/L 100 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2991 TOLUENE < 0.500 UG/L 150 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2904 TRICHLOROTRIFLUOROETHANE < 0.500 UG/L 1200 10 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED VOC-202406 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 06-27-2023 12 2024/06
CA1910050_008_008 REGULATED SOC-202604 2414 1,2,3-TRICHLOROPROPANE < 0.002 UG/L 0.005 07-17-2023 33 2026/04
CA1910050_008_008 REGULATED SOC-202604 2050 ATRAZINE < 0.500 UG/L 1 .5 07-25-2023 33 2026/04
CA1910050_008_008 REGULATED SOC-202604 2306 BENZO(A)PYRENE < 0.100 UG/L .2 .1 07-25-2023 33 2026/04
CA1910050_008_008 REGULATED SOC-202604 2959 CHLORDANE < 0.100 UG/L .1 .1 07-25-2023 33 2026/04
CA1910050_008_008 REGULATED SOC-202604 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 07-25-2023 33 2026/04
CA1910050_008_008 REGULATED SOC-202604 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 07-18-2023 33 2026/04
CA1910050_008_008 REGULATED SOC-202604 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 07-18-2023 33 2026/04
CA1910050_008_008 REGULATED SOC-202604 2015 METHOXYCHLOR < 10.000 UG/L 30 10 07-25-2023 33 2026/04
CA1910050_008_008 REGULATED SOC-202604 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 07-25-2023 33 2026/04
CA1910050_008_008 REGULATED SOC-202604 2037 SIMAZINE < 1.000 UG/L 4 1 07-25-2023 33 2026/04
CA1910050_DST_800 DISINFECTION BYPRODUCTS-202407 2943 BROMODICHLOROMETHANE 9.700 0.500 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_800 DISINFECTION BYPRODUCTS-202407 2942 BROMOFORM 4.900 0.500 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_800 DISINFECTION BYPRODUCTS-202407 2941 CHLOROFORM 7.000 0.500 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_800 DISINFECTION BYPRODUCTS-202407 2454 DIBROMOACETIC ACID 1.900 1.000 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_800 DISINFECTION BYPRODUCTS-202407 2944 DIBROMOCHLOROMETHANE 12.000 0.500 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_800 DISINFECTION BYPRODUCTS-202407 2451 DICHLOROACETIC ACID 3.100 1.000 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_800 DISINFECTION BYPRODUCTS-202407 2456 TOTAL HALOACETIC ACIDS (HAA5) 6.000 2.000 UG/L 60 04-09-2024 3 2024/07
CA1910050_DST_800 DISINFECTION BYPRODUCTS-202407 2453 MONOBROMOACETIC ACID < 1.000 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_800 DISINFECTION BYPRODUCTS-202407 2450 MONOCHLOROACETIC ACID < 2.000 UG/L 2 04-09-2024 3 2024/07
CA1910050_DST_800 DISINFECTION BYPRODUCTS-202407 2950 TTHM 34.000 0.500 UG/L 80 04-09-2024 3 2024/07
CA1910050_DST_800 DISINFECTION BYPRODUCTS-202407 2452 TRICHLOROACETIC ACID 1.000 1.000 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_801 DISINFECTION BYPRODUCTS-202407 2943 BROMODICHLOROMETHANE 6.600 0.500 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_801 DISINFECTION BYPRODUCTS-202407 2942 BROMOFORM 3.500 0.500 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_801 DISINFECTION BYPRODUCTS-202407 2941 CHLOROFORM 4.700 0.500 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_801 DISINFECTION BYPRODUCTS-202407 2454 DIBROMOACETIC ACID 1.900 1.000 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_801 DISINFECTION BYPRODUCTS-202407 2944 DIBROMOCHLOROMETHANE 8.700 0.500 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_801 DISINFECTION BYPRODUCTS-202407 2451 DICHLOROACETIC ACID 2.000 1.000 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_801 DISINFECTION BYPRODUCTS-202407 2456 TOTAL HALOACETIC ACIDS (HAA5) 3.900 2.000 UG/L 60 04-09-2024 3 2024/07
CA1910050_DST_801 DISINFECTION BYPRODUCTS-202407 2453 MONOBROMOACETIC ACID < 1.000 UG/L 1 04-09-2024 3 2024/07
CA1910050_DST_801 DISINFECTION BYPRODUCTS-202407 2450 MONOCHLOROACETIC ACID < 2.000 UG/L 2 04-09-2024 3 2024/07
CA1910050_DST_801 DISINFECTION BYPRODUCTS-202407 2950 TTHM 24.000 0.500 UG/L 80 04-09-2024 3 2024/07
CA1910050_DST_801 DISINFECTION BYPRODUCTS-202407 2452 TRICHLOROACETIC ACID < 1.000 UG/L 1 04-09-2024 3 2024/07
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.