Date:04-13-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910142SYSTEM NAME:GSWC-SAN DIMASCOUNTY:LOS ANGELES 
SOURCE NO.:051SOURCE NAME:HIGHWAY 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
CA1910142_051_051 SECONDARY/GP-202512 1928 ALKALINITY, BICARBONATE 270.000 6.100 MG/L 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1919 CALCIUM 77.700 0.500 MG/L 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1929 ALKALINITY, CARBONATE 5.500 5.000 MG/L 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1017 CHLORIDE 58.000 0.500 MG/L 500 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1905 COLOR < 3.000 UNITS 15 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1022 COPPER, FREE 5.000 1.000 UG/L 1000 50 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1915 HARDNESS, TOTAL (AS CACO3) 307.000 3.310 MG/L 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1028 IRON < 30.000 UG/L 300 100 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1031 MAGNESIUM 27.500 0.500 MG/L 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1032 MANGANESE 4.300 1.000 UG/L 50 20 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1920 ODOR < 1.000 TON 3 1 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1925 PH 7.480 0.100 pH 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1050 SILVER < 0.200 UG/L 100 10 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1052 SODIUM 44.000 1.000 MG/L 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1064 CONDUCTIVITY @ 25 C UMHOS/CM 760.000 2.000 UMHO/CM 1600 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1055 SULFATE 130.000 0.500 MG/L 500 .5 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202608 1930 TDS 330.000 10.000 MG/L 1000 08-17-2023 36 2026/08
CA1910142_051_051 SECONDARY/GP-202512 0100 TURBIDITY 0.100 0.100 NTU 5 .1 12-19-2022 36 2025/12
CA1910142_051_051 SECONDARY/GP-202512 1095 ZINC 11.000 10.000 UG/L 5000 50 12-19-2022 36 2025/12
CA1910142_051_051 INORGANIC-202512 1002 ALUMINUM < 20.000 UG/L 1000 50 12-19-2022 36 2025/12
CA1910142_051_051 INORGANIC-202512 1074 ANTIMONY, TOTAL < 0.500 UG/L 6 6 12-19-2022 36 2025/12
CA1910142_051_051 INORGANIC-202512 1005 ARSENIC 0.810 0.500 UG/L 10 2 12-19-2022 36 2025/12
CA1910142_051_051 INORGANIC-202512 1010 BARIUM 100.000 1.000 UG/L 1000 100 12-19-2022 36 2025/12
CA1910142_051_051 INORGANIC-202512 1075 BERYLLIUM, TOTAL < 0.100 UG/L 4 1 12-19-2022 36 2025/12
CA1910142_051_051 INORGANIC-202512 1015 CADMIUM < 0.500 UG/L 5 1 12-19-2022 36 2025/12
CA1910142_051_051 INORGANIC-202512 1020 CHROMIUM < 2.000 UG/L 50 10 12-19-2022 36 2025/12
CA1910142_051_051 INORGANIC-202512 1024 CYANIDE < 5.000 UG/L 150 100 12-19-2022 36 2025/12
CA1910142_051_051 INORGANIC-202512 1025 FLUORIDE 0.730 0.100 MG/L 2 .1 12-19-2022 36 2025/12
CA1910142_051_051 INORGANIC-202512 1035 MERCURY < 0.050 UG/L 2 1 12-19-2022 36 2025/12
CA1910142_051_051 INORGANIC-202512 1036 NICKEL < 2.000 UG/L 100 10 12-19-2022 36 2025/12
CA1910142_051_051 INORGANIC-202702 1039 PERCHLORATE < 1.000 UG/L 6 1 02-14-2024 36 2027/02
CA1910142_051_051 INORGANIC-202512 1045 SELENIUM < 0.500 UG/L 50 5 12-19-2022 36 2025/12
CA1910142_051_051 INORGANIC-202512 1085 THALLIUM, TOTAL < 0.200 UG/L 2 1 12-19-2022 36 2025/12
CA1910142_051_051 NITRATE/NITRITE-202502 1040 NITRATE 3.400 0.400 MG/L 10 .4 02-21-2024 12 2025/02
CA1910142_051_051 NITRATE/NITRITE-202512 1041 NITRITE < 0.100 MG/L 1 .4 12-19-2022 36 2025/12
CA1910142_051_051 RADIOLOGICAL-203002 4109 GROSS ALPHA PARTICLE ACTIVITY < 3.000 PCI/L 15 3 02-14-2024 72 2030/02
CA1910142_051_051 RADIOLOGICAL-202105 4020 RADIUM-226 < 0.600 PCI/L 1 02-23-2021 3 2021/05 DUE NOW
CA1910142_051_051 RADIOLOGICAL-203002 4030 RADIUM-228 < 0.700 PCI/L 1 02-23-2021 108 2030/02
CA1910142_051_051 RADIOLOGICAL-203002 4006 COMBINED URANIUM 3.200 +/- 0.000 1.000 PCI/L 20 1 02-14-2024 72 2030/02
CA1910142_051_051 REGULATED VOC-202502 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2990 BENZENE < 0.500 UG/L 1 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2251 METHYL TERT-BUTYL ETHER < 2.000 UG/L 13 3 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2996 STYRENE < 0.500 UG/L 100 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2991 TOLUENE < 0.500 UG/L 150 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2904 TRICHLOROTRIFLUOROETHANE < 5.000 UG/L 1200 10 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED VOC-202502 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 02-14-2024 12 2025/02
CA1910142_051_051 REGULATED SOC-202408 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 11-29-2021 33 2024/08
CA1910142_051_051 REGULATED SOC-201101 2105 2,4-D < 10.000 UG/L 70 10 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-201704 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 01-05-2017 3 2017/04 DUE NOW
CA1910142_051_051 REGULATED SOC-201704 2050 ATRAZINE < 0.500 UG/L 1 .5 01-05-2017 3 2017/04 DUE NOW
CA1910142_051_051 REGULATED SOC-201101 2625 BENTAZON < 2.000 UG/L 18 2 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-201101 2046 CARBOFURAN < 5.000 UG/L 18 5 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-201101 2959 CHLORDANE < 0.100 UG/L .1 .1 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-202502 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 05-11-2022 33 2025/02
CA1910142_051_051 REGULATED SOC-201101 2931 1,2-DIBROMO-3-CHLOROPROPANE < UG/L .2 .01 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-201101 2041 DINOSEB < 2.000 UG/L 7 2 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-201101 2032 DIQUAT < 4.000 UG/L 20 4 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-201101 2033 ENDOTHALL < 45.000 UG/L 100 45 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-201101 2005 ENDRIN < 0.100 UG/L 2 .1 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-201101 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-201101 2034 GLYPHOSATE < 25.000 UG/L 700 25 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-201101 2010 BHC-GAMMA < 0.200 UG/L .2 .2 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-201101 2015 METHOXYCHLOR < 10.000 UG/L 30 10 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-201101 2036 OXAMYL < 20.000 UG/L 50 20 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-201101 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 10-26-2010 3 2011/01 DUE NOW
CA1910142_051_051 REGULATED SOC-201704 2037 SIMAZINE < 1.000 UG/L 4 1 01-05-2017 3 2017/04 DUE NOW
CA1910142_051_051 REGULATED SOC-201910 2727 THIOBENCARB (BOLERO) < 1.000 UG/L 70 1 01-05-2017 33 2019/10 DUE NOW
CA1910142_051_051 REGULATED SOC-201101 2020 TOXAPHENE < 1.000 UG/L 3 1 10-26-2010 3 2011/01 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.