Date:05-01-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910155SYSTEM NAME:GSWC - SOUTHWESTCOUNTY:LOS ANGELES 
SOURCE NO.:073SOURCE NAME:DALTON WELL 02SOURCE 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
CA1910155_073_073 SECONDARY/GP-202605 1928 ALKALINITY, BICARBONATE 180.000 2.000 MG/L 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1919 CALCIUM 40.000 1.000 MG/L 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1929 ALKALINITY, CARBONATE < 2.000 MG/L 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1017 CHLORIDE 24.000 0.500 MG/L 500 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1905 COLOR < 2.000 UNITS 15 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1022 COPPER, FREE < 50.000 UG/L 1000 50 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 2905 FOAMING AGENTS (SURFACTANTS) < 0.100 MG/L .5 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1915 HARDNESS, TOTAL (AS CACO3) 140.000 3.000 MG/L 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1021 HYDROXIDE AS CALCIUM CARBONATE < 2.000 MG/L 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1028 IRON 13.000 10.000 UG/L 300 100 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1031 MAGNESIUM 11.000 0.100 MG/L 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1032 MANGANESE 13.000 2.000 UG/L 50 20 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1920 ODOR 1.000 1.000 TON 3 1 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1925 PH 8.100 pH 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1050 SILVER < 0.500 UG/L 100 10 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1052 SODIUM 44.000 1.000 MG/L 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1064 CONDUCTIVITY @ 25 C UMHOS/CM 480.000 2.000 UMHO/CM 1600 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1055 SULFATE 29.000 0.250 MG/L 500 .5 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1930 TDS 300.000 20.000 MG/L 1000 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 0100 TURBIDITY 0.100 0.100 NTU 5 .1 05-10-2023 36 2026/05
CA1910155_073_073 SECONDARY/GP-202605 1095 ZINC < 20.000 UG/L 5000 50 05-10-2023 36 2026/05
CA1910155_073_073 INORGANIC-202605 1002 ALUMINUM < 50.000 UG/L 1000 50 05-10-2023 36 2026/05
CA1910155_073_073 INORGANIC-202605 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 05-10-2023 36 2026/05
CA1910155_073_073 INORGANIC-202605 1005 ARSENIC < 2.000 UG/L 10 2 05-10-2023 36 2026/05
CA1910155_073_073 INORGANIC-202605 1010 BARIUM < 100.000 UG/L 1000 100 05-10-2023 36 2026/05
CA1910155_073_073 INORGANIC-202605 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 05-10-2023 36 2026/05
CA1910155_073_073 INORGANIC-202605 1015 CADMIUM < 1.000 UG/L 5 1 05-10-2023 36 2026/05
CA1910155_073_073 INORGANIC-202605 1020 CHROMIUM < 10.000 UG/L 50 10 05-10-2023 36 2026/05
CA1910155_073_073 INORGANIC-202605 1024 CYANIDE < 100.000 UG/L 150 100 05-10-2023 36 2026/05
CA1910155_073_073 INORGANIC-202605 1025 FLUORIDE 0.320 0.100 MG/L 2 .1 05-10-2023 36 2026/05
CA1910155_073_073 INORGANIC-202605 1035 MERCURY < 1.000 UG/L 2 1 05-10-2023 36 2026/05
CA1910155_073_073 INORGANIC-202605 1036 NICKEL < 10.000 UG/L 100 10 05-10-2023 36 2026/05
CA1910155_073_073 INORGANIC-202405 1039 PERCHLORATE < 2.000 UG/L 6 2 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 INORGANIC-202605 1045 SELENIUM < 5.000 UG/L 50 5 05-10-2023 36 2026/05
CA1910155_073_073 INORGANIC-202605 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 05-10-2023 36 2026/05
CA1910155_073_073 NITRATE/NITRITE-202405 1040 NITRATE < 0.400 MG/L 10 .4 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 NITRATE/NITRITE-202605 1041 NITRITE < 0.400 MG/L 1 .4 05-10-2023 36 2026/05
CA1910155_073_073 RADIOLOGICAL-202810 4109 GROSS ALPHA PARTICLE ACTIVITY < 3.000 PCI/L 15 3 10-21-2019 108 2028/10
CA1910155_073_073 RADIOLOGICAL-202810 4020 RADIUM-226 < 0.400 PCI/L 1 10-21-2019 108 2028/10
CA1910155_073_073 RADIOLOGICAL-202810 4030 RADIUM-228 < 0.800 PCI/L 1 10-21-2019 108 2028/10
CA1910155_073_073 RADIOLOGICAL-202810 4006 COMBINED URANIUM < 1.000 PCI/L 20 1 10-21-2019 108 2028/10
CA1910155_073_073 REGULATED VOC-202405 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2990 BENZENE < 0.500 UG/L 1 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2996 STYRENE < 0.500 UG/L 100 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2991 TOLUENE < 0.500 UG/L 150 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED VOC-202405 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 05-10-2023 12 2024/05 DUE NOW
CA1910155_073_073 REGULATED SOC-202604 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2105 2,4-D < 10.000 UG/L 70 10 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2050 ATRAZINE < 0.500 UG/L 1 .5 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2625 BENTAZON < 2.000 UG/L 18 2 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2046 CARBOFURAN < 5.000 UG/L 18 5 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2959 CHLORDANE < 0.100 UG/L .1 .1 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2041 DINOSEB < 2.000 UG/L 7 2 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2032 DIQUAT < 4.000 UG/L 20 4 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2033 ENDOTHALL < 45.000 UG/L 100 45 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2005 ENDRIN < 0.100 UG/L 2 .1 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2034 GLYPHOSATE < 25.000 UG/L 700 25 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2010 BHC-GAMMA < 0.200 UG/L .2 .2 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2015 METHOXYCHLOR < 10.000 UG/L 30 10 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2036 OXAMYL < 20.000 UG/L 50 20 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2037 SIMAZINE < 1.000 UG/L 4 1 07-24-2023 33 2026/04
CA1910155_073_073 REGULATED SOC-202604 2020 TOXAPHENE < 1.000 UG/L 3 1 07-24-2023 33 2026/04
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.