Date:09-18-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910026SYSTEM NAME:COMPTON-CITY, WATER DEPT.COUNTY:LOS ANGELES 
SOURCE NO.:028SOURCE NAME:WELL 19SOURCE 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_028_028 SECONDARY/GP-202701 1928 ALKALINITY, BICARBONATE 240.000 24.000 MG/L 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1919 CALCIUM 82.900 0.500 MG/L 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1929 ALKALINITY, CARBONATE < 20.000 MG/L 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1017 CHLORIDE 47.000 0.500 MG/L 500 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1905 COLOR < 3.000 UNITS 15 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1022 COPPER, FREE 1.700 1.000 UG/L 1000 50 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1915 HARDNESS, TOTAL (AS CACO3) 272.000 3.310 MG/L 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1021 HYDROXIDE AS CALCIUM CARBONATE < 20.000 MG/L 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202707 1028 IRON < 30.000 UG/L 300 07-25-2024 36 2027/07
CA1910026_028_028 SECONDARY/GP-202701 1031 MAGNESIUM 15.800 0.500 MG/L 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1032 MANGANESE < 1.000 UG/L 50 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1920 ODOR < 1.000 TON 3 1 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1925 PH 7.630 0.100 pH 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1050 SILVER < 0.200 UG/L 100 10 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1052 SODIUM 45.000 10.000 MG/L 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1064 CONDUCTIVITY @ 25 C UMHOS/CM 720.000 2.000 UMHO/CM 1600 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1055 SULFATE 120.000 0.500 MG/L 500 .5 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1930 TDS 460.000 10.000 MG/L 1000 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 0100 TURBIDITY 0.100 0.100 NTU 5 .1 01-25-2024 36 2027/01
CA1910026_028_028 SECONDARY/GP-202701 1095 ZINC < 10.000 UG/L 5000 50 01-25-2024 36 2027/01
CA1910026_028_028 INORGANIC-202701 1002 ALUMINUM < 20.000 UG/L 1000 50 01-25-2024 36 2027/01
CA1910026_028_028 INORGANIC-202701 1074 ANTIMONY, TOTAL < 0.500 UG/L 6 6 01-25-2024 36 2027/01
CA1910026_028_028 INORGANIC-202701 1005 ARSENIC 4.200 0.500 UG/L 10 2 01-25-2024 36 2027/01
CA1910026_028_028 INORGANIC-202701 1010 BARIUM 100.000 1.000 UG/L 1000 100 01-25-2024 36 2027/01
CA1910026_028_028 INORGANIC-202701 1075 BERYLLIUM, TOTAL < 0.100 UG/L 4 1 01-25-2024 36 2027/01
CA1910026_028_028 INORGANIC-202701 1015 CADMIUM < 0.500 UG/L 5 1 01-25-2024 36 2027/01
CA1910026_028_028 INORGANIC-202701 1020 CHROMIUM < 2.000 UG/L 50 10 01-25-2024 36 2027/01
CA1910026_028_028 INORGANIC-202701 1024 CYANIDE < 5.000 UG/L 150 100 01-25-2024 36 2027/01
CA1910026_028_028 INORGANIC-202701 1025 FLUORIDE 0.320 0.100 MG/L 2 .1 01-25-2024 36 2027/01
CA1910026_028_028 INORGANIC-202701 1035 MERCURY < 0.050 UG/L 2 1 01-25-2024 36 2027/01
CA1910026_028_028 INORGANIC-202701 1036 NICKEL < 2.000 UG/L 100 10 01-25-2024 36 2027/01
CA1910026_028_028 INORGANIC-202504 1039 PERCHLORATE < 1.000 UG/L 6 1 04-11-2024 12 2025/04
CA1910026_028_028 INORGANIC-202701 1045 SELENIUM 0.600 0.500 UG/L 50 5 01-25-2024 36 2027/01
CA1910026_028_028 INORGANIC-202701 1085 THALLIUM, TOTAL < 0.200 UG/L 2 1 01-25-2024 36 2027/01
CA1910026_028_028 NITRATE/NITRITE-202501 1040 NITRATE 0.490 0.200 MG/L 10 .4 01-25-2024 12 2025/01
CA1910026_028_028 NITRATE/NITRITE-202701 1041 NITRITE < 0.100 MG/L 1 .4 01-25-2024 36 2027/01
CA1910026_028_028 RADIOLOGICAL-202810 4109 GROSS ALPHA PARTICLE ACTIVITY 6.880 +/- 0.358 0.047 PCI/L 15 3 10-21-2022 72 2028/10
CA1910026_028_028 RADIOLOGICAL-202810 4006 COMBINED URANIUM 5.800 +/- 0.000 0.130 PCI/L 20 1 10-21-2022 72 2028/10
CA1910026_028_028 REGULATED VOC-202504 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2990 BENZENE < 0.500 UG/L 1 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202507 2380 CIS-1,2-DICHLOROETHYLENE 0.630 0.500 UG/L 6 .5 07-25-2024 12 2025/07
CA1910026_028_028 REGULATED VOC-202504 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2996 STYRENE < 0.500 UG/L 100 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202507 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-25-2024 12 2025/07
CA1910026_028_028 REGULATED VOC-202504 2991 TOLUENE < 0.500 UG/L 150 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202507 2984 TRICHLOROETHYLENE 1.100 0.500 UG/L 5 .5 07-25-2024 12 2025/07
CA1910026_028_028 REGULATED VOC-202504 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED VOC-202504 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 04-11-2024 12 2025/04
CA1910026_028_028 REGULATED SOC-202704 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 07-25-2024 33 2027/04
CA1910026_028_028 REGULATED SOC-202604 2105 2,4-D < 0.400 UG/L 70 10 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202604 2051 LASSO (ALACHLOR) < 0.100 UG/L 2 1 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202604 2050 ATRAZINE < 0.100 UG/L 1 .5 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202604 2625 BENTAZON < 2.000 UG/L 18 2 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202604 2046 CARBOFURAN < 2.000 UG/L 18 5 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202606 2959 CHLORDANE < 0.100 UG/L .1 .1 09-14-2023 33 2026/06
CA1910026_028_028 REGULATED SOC-202604 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202604 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202604 2041 DINOSEB < 0.400 UG/L 7 2 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202604 2032 DIQUAT < 4.000 UG/L 20 4 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202604 2033 ENDOTHALL < 45.000 UG/L 100 45 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202606 2005 ENDRIN < 0.010 UG/L 2 .1 09-14-2023 33 2026/06
CA1910026_028_028 REGULATED SOC-202604 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202604 2034 GLYPHOSATE < 5.000 UG/L 700 25 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202606 2010 BHC-GAMMA < 0.010 UG/L .2 .2 09-14-2023 33 2026/06
CA1910026_028_028 REGULATED SOC-202606 2015 METHOXYCHLOR < 0.010 UG/L 30 10 09-14-2023 33 2026/06
CA1910026_028_028 REGULATED SOC-202604 2036 OXAMYL < 2.000 UG/L 50 20 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202604 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202604 2037 SIMAZINE < 0.100 UG/L 4 1 07-14-2023 33 2026/04
CA1910026_028_028 REGULATED SOC-202606 2020 TOXAPHENE < 1.000 UG/L 3 1 09-14-2023 33 2026/06
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.