Date:04-16-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910142SYSTEM NAME:GSWC-SAN DIMASCOUNTY:LOS ANGELES 
SOURCE NO.:013SOURCE NAME:HIGHWAY WELL 01SOURCE 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
CA1910142_013_013 SECONDARY/GP-202509 1928 ALKALINITY, BICARBONATE 280.000 6.100 MG/L 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1919 CALCIUM 79.000 0.500 MG/L 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1929 ALKALINITY, CARBONATE < 5.000 MG/L 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1017 CHLORIDE 39.000 0.500 MG/L 500 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1905 COLOR < 3.000 UNITS 15 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1022 COPPER, FREE < 10.000 UG/L 1000 50 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1915 HARDNESS, TOTAL (AS CACO3) 318.000 3.310 MG/L 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1028 IRON < 30.000 UG/L 300 100 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1031 MAGNESIUM 29.000 0.500 MG/L 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1032 MANGANESE < 5.000 UG/L 50 20 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1920 ODOR < 1.000 TON 3 1 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1925 PH 7.610 0.100 pH 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202508 1050 SILVER < 0.200 UG/L 100 10 08-17-2022 36 2025/08
CA1910142_013_013 SECONDARY/GP-202509 1052 SODIUM 29.000 1.000 MG/L 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1064 CONDUCTIVITY @ 25 C UMHOS/CM 730.000 2.000 UMHO/CM 1600 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1055 SULFATE 70.000 0.500 MG/L 500 .5 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202608 1930 TDS 280.000 10.000 MG/L 1000 08-17-2023 36 2026/08
CA1910142_013_013 SECONDARY/GP-202509 0100 TURBIDITY < 0.100 NTU 5 .1 09-20-2022 36 2025/09
CA1910142_013_013 SECONDARY/GP-202509 1095 ZINC < 50.000 UG/L 5000 50 09-20-2022 36 2025/09
CA1910142_013_013 INORGANIC-202508 1002 ALUMINUM < 20.000 UG/L 1000 50 08-17-2022 36 2025/08
CA1910142_013_013 INORGANIC-202508 1074 ANTIMONY, TOTAL < 0.500 UG/L 6 6 08-17-2022 36 2025/08
CA1910142_013_013 INORGANIC-202508 1005 ARSENIC 0.680 0.500 UG/L 10 2 08-17-2022 36 2025/08
CA1910142_013_013 INORGANIC-202508 1010 BARIUM 100.000 1.000 UG/L 1000 100 08-17-2022 36 2025/08
CA1910142_013_013 INORGANIC-202508 1075 BERYLLIUM, TOTAL < 0.100 UG/L 4 1 08-17-2022 36 2025/08
CA1910142_013_013 INORGANIC-202508 1015 CADMIUM < 0.500 UG/L 5 1 08-17-2022 36 2025/08
CA1910142_013_013 INORGANIC-202508 1020 CHROMIUM < 2.000 UG/L 50 10 08-17-2022 36 2025/08
CA1910142_013_013 INORGANIC-202508 1024 CYANIDE < 5.000 UG/L 150 100 08-17-2022 36 2025/08
CA1910142_013_013 INORGANIC-202509 1025 FLUORIDE 0.710 0.100 MG/L 2 .1 09-20-2022 36 2025/09
CA1910142_013_013 INORGANIC-202508 1035 MERCURY < 1.000 UG/L 2 1 08-17-2022 36 2025/08
CA1910142_013_013 INORGANIC-202508 1036 NICKEL < 2.000 UG/L 100 10 08-17-2022 36 2025/08
CA1910142_013_013 INORGANIC-202704 1039 PERCHLORATE < 1.000 UG/L 6 1 04-08-2024 36 2027/04
CA1910142_013_013 INORGANIC-202508 1045 SELENIUM < 0.500 UG/L 50 5 08-17-2022 36 2025/08
CA1910142_013_013 INORGANIC-202508 1085 THALLIUM, TOTAL < 0.200 UG/L 2 1 08-17-2022 36 2025/08
CA1910142_013_013 NITRATE/NITRITE-202405 1040 NITRATE 1.400 0.400 MG/L 10 .4 04-08-2024 1 2024/05
CA1910142_013_013 NITRATE/NITRITE-202508 1041 NITRITE < 0.400 MG/L 1 .4 08-17-2022 36 2025/08
CA1910142_013_013 RADIOLOGICAL-202909 4109 GROSS ALPHA PARTICLE ACTIVITY < PCI/L 15 3 09-23-2020 108 2029/09
CA1910142_013_013 RADIOLOGICAL-201408 4020 RADIUM-226 < 1.000 PCI/L 1 08-17-2023 108 2014/08 DUE NOW
CA1910142_013_013 RADIOLOGICAL-203208 4030 RADIUM-228 < 1.000 PCI/L 1 08-17-2023 108 2032/08
CA1910142_013_013 RADIOLOGICAL-202908 4006 COMBINED URANIUM 1.800 +/- 0.000 0.130 PCI/L 20 1 08-17-2023 72 2029/08
CA1910142_013_013 REGULATED VOC-202408 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2990 BENZENE < 0.500 UG/L 1 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2251 METHYL TERT-BUTYL ETHER < 2.000 UG/L 13 3 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2996 STYRENE < 0.500 UG/L 100 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2991 TOLUENE < 0.500 UG/L 150 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2904 TRICHLOROTRIFLUOROETHANE < 5.000 UG/L 1200 10 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED VOC-202408 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 08-17-2023 12 2024/08
CA1910142_013_013 REGULATED SOC-202408 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 11-29-2021 33 2024/08
CA1910142_013_013 REGULATED SOC-199807 2105 2,4-D < 10.000 UG/L 70 10 10-26-1995 33 1998/07 DUE NOW
CA1910142_013_013 REGULATED SOC-199306 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 03-10-1993 3 1993/06 DUE NOW
CA1910142_013_013 REGULATED SOC-200607 2050 ATRAZINE < 0.500 UG/L 1 .5 10-16-2003 33 2006/07 DUE NOW
CA1910142_013_013 REGULATED SOC-null 2625 BENTAZON UG/L 18 2 3 DUE NOW
CA1910142_013_013 REGULATED SOC-null 2046 CARBOFURAN UG/L 18 5 3 DUE NOW
CA1910142_013_013 REGULATED SOC-199807 2959 CHLORDANE < 0.100 UG/L .1 .1 10-26-1995 33 1998/07 DUE NOW
CA1910142_013_013 REGULATED SOC-202502 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 05-11-2022 33 2025/02
CA1910142_013_013 REGULATED SOC-200607 2931 1,2-DIBROMO-3-CHLOROPROPANE < UG/L .2 .01 10-16-2003 33 2006/07 DUE NOW
CA1910142_013_013 REGULATED SOC-null 2041 DINOSEB UG/L 7 2 3 DUE NOW
CA1910142_013_013 REGULATED SOC-199807 2032 DIQUAT < 4.000 UG/L 20 4 10-26-1995 33 1998/07 DUE NOW
CA1910142_013_013 REGULATED SOC-null 2033 ENDOTHALL UG/L 100 45 3 DUE NOW
CA1910142_013_013 REGULATED SOC-null 2005 ENDRIN UG/L 2 .1 3 DUE NOW
CA1910142_013_013 REGULATED SOC-200607 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 10-16-2003 33 2006/07 DUE NOW
CA1910142_013_013 REGULATED SOC-199807 2034 GLYPHOSATE < 25.000 UG/L 700 25 10-26-1995 33 1998/07 DUE NOW
CA1910142_013_013 REGULATED SOC-null 2010 BHC-GAMMA UG/L .2 .2 3 DUE NOW
CA1910142_013_013 REGULATED SOC-null 2015 METHOXYCHLOR UG/L 30 10 3 DUE NOW
CA1910142_013_013 REGULATED SOC-null 2036 OXAMYL UG/L 50 20 3 DUE NOW
CA1910142_013_013 REGULATED SOC-null 2326 PENTACHLOROPHENOL UG/L 1 .2 3 DUE NOW
CA1910142_013_013 REGULATED SOC-200607 2037 SIMAZINE < 1.000 UG/L 4 1 10-16-2003 33 2006/07 DUE NOW
CA1910142_013_013 REGULATED SOC-null 2020 TOXAPHENE UG/L 3 1 3 DUE NOW
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.