Date:09-18-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910026SYSTEM NAME:COMPTON-CITY, WATER DEPT.COUNTY:LOS ANGELES 
SOURCE NO.:019SOURCE NAME:WELL 18SOURCE 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
CA1910026_019_019 SECONDARY/GP-202601 1928 ALKALINITY, BICARBONATE 230.000 6.100 MG/L 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1919 CALCIUM 79.300 0.500 MG/L 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1929 ALKALINITY, CARBONATE < 5.000 MG/L 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1017 CHLORIDE 50.000 0.500 MG/L 500 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1905 COLOR < 3.000 UNITS 15 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1022 COPPER, FREE 1.500 1.000 UG/L 1000 50 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1915 HARDNESS, TOTAL (AS CACO3) 259.000 3.310 MG/L 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1028 IRON < 30.000 UG/L 300 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1031 MAGNESIUM 14.700 0.500 MG/L 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1032 MANGANESE 4.200 1.000 UG/L 50 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1920 ODOR < 1.000 TON 3 1 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1925 PH 7.940 0.100 pH 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1050 SILVER < 0.200 UG/L 100 10 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1052 SODIUM 41.000 1.000 MG/L 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1064 CONDUCTIVITY @ 25 C UMHOS/CM 670.000 2.000 UMHO/CM 1600 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1055 SULFATE 110.000 0.500 MG/L 500 .5 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1930 TDS 440.000 10.000 MG/L 1000 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 0100 TURBIDITY 0.200 0.100 NTU 5 .1 01-13-2023 36 2026/01
CA1910026_019_019 SECONDARY/GP-202601 1095 ZINC < 10.000 UG/L 5000 50 01-13-2023 36 2026/01
CA1910026_019_019 INORGANIC-202601 1002 ALUMINUM < 20.000 UG/L 1000 50 01-13-2023 36 2026/01
CA1910026_019_019 INORGANIC-202601 1074 ANTIMONY, TOTAL < 0.500 UG/L 6 6 01-13-2023 36 2026/01
CA1910026_019_019 INORGANIC-202601 1005 ARSENIC 4.700 0.500 UG/L 10 2 01-13-2023 36 2026/01
CA1910026_019_019 INORGANIC-202601 1010 BARIUM 110.000 1.000 UG/L 1000 100 01-13-2023 36 2026/01
CA1910026_019_019 INORGANIC-202601 1075 BERYLLIUM, TOTAL < 0.100 UG/L 4 1 01-13-2023 36 2026/01
CA1910026_019_019 INORGANIC-202601 1015 CADMIUM < 0.500 UG/L 5 1 01-13-2023 36 2026/01
CA1910026_019_019 INORGANIC-202601 1020 CHROMIUM < 2.000 UG/L 50 10 01-13-2023 36 2026/01
CA1910026_019_019 INORGANIC-202601 1024 CYANIDE < 5.000 UG/L 150 100 01-13-2023 36 2026/01
CA1910026_019_019 INORGANIC-202601 1025 FLUORIDE 0.330 0.100 MG/L 2 .1 01-13-2023 36 2026/01
CA1910026_019_019 INORGANIC-202601 1035 MERCURY < 0.050 UG/L 2 1 01-13-2023 36 2026/01
CA1910026_019_019 INORGANIC-202601 1036 NICKEL < 2.000 UG/L 100 10 01-13-2023 36 2026/01
CA1910026_019_019 INORGANIC-202507 1039 PERCHLORATE < 1.000 UG/L 6 1 07-25-2024 12 2025/07
CA1910026_019_019 INORGANIC-202601 1045 SELENIUM 1.200 0.500 UG/L 50 5 01-13-2023 36 2026/01
CA1910026_019_019 INORGANIC-202601 1085 THALLIUM, TOTAL < 0.200 UG/L 2 1 01-13-2023 36 2026/01
CA1910026_019_019 NITRATE/NITRITE-202504 1040 NITRATE 1.100 0.400 MG/L 10 .4 04-11-2024 12 2025/04
CA1910026_019_019 NITRATE/NITRITE-202601 1041 NITRITE < 0.100 MG/L 1 .4 01-13-2023 36 2026/01
CA1910026_019_019 RADIOLOGICAL-203204 4109 GROSS ALPHA PARTICLE ACTIVITY 3.720 +/- 0.314 0.054 PCI/L 15 3 04-14-2023 108 2032/04
CA1910026_019_019 REGULATED VOC-202507 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2990 BENZENE < 0.500 UG/L 1 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2996 STYRENE < 0.500 UG/L 100 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202410 2987 TETRACHLOROETHYLENE 0.720 0.500 UG/L 5 .5 07-25-2024 3 2024/10
CA1910026_019_019 REGULATED VOC-202507 2991 TOLUENE < 0.500 UG/L 150 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED VOC-202507 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-25-2024 12 2025/07
CA1910026_019_019 REGULATED SOC-202704 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2105 2,4-D < 10.000 UG/L 70 10 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2050 ATRAZINE < 0.500 UG/L 1 .5 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2625 BENTAZON < 2.000 UG/L 18 2 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2046 CARBOFURAN < 5.000 UG/L 18 5 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2959 CHLORDANE < 0.100 UG/L .1 .1 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2041 DINOSEB < 2.000 UG/L 7 2 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2032 DIQUAT < 4.000 UG/L 20 4 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2033 ENDOTHALL < 45.000 UG/L 100 45 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2005 ENDRIN < 0.100 UG/L 2 .1 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2034 GLYPHOSATE < 25.000 UG/L 700 25 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2010 BHC-GAMMA < 0.200 UG/L .2 .2 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2015 METHOXYCHLOR < 10.000 UG/L 30 10 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2036 OXAMYL < 20.000 UG/L 50 20 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2037 SIMAZINE < 1.000 UG/L 4 1 07-25-2024 33 2027/04
CA1910026_019_019 REGULATED SOC-202704 2020 TOXAPHENE < 1.000 UG/L 3 1 07-25-2024 33 2027/04
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.