Date:05-06-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910024SYSTEM NAME:GSWC - CLAREMONTCOUNTY:LOS ANGELES 
SOURCE NO.:010SOURCE NAME:DREHER 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
CA1910024_010_010 SECONDARY/GP-202608 1928 ALKALINITY, BICARBONATE 170.000 24.000 MG/L 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1919 CALCIUM 65.600 0.500 MG/L 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1929 ALKALINITY, CARBONATE < 20.000 MG/L 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1017 CHLORIDE 16.000 0.500 MG/L 500 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1905 COLOR < 3.000 UNITS 15 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1022 COPPER, FREE < 1.000 UG/L 1000 50 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1915 HARDNESS, TOTAL (AS CACO3) 202.000 3.310 MG/L 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1021 HYDROXIDE AS CALCIUM CARBONATE < 20.000 MG/L 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1028 IRON < 30.000 UG/L 300 100 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1031 MAGNESIUM 9.160 0.500 MG/L 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1032 MANGANESE < 1.000 UG/L 50 20 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1920 ODOR < 1.000 TON 3 1 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1925 PH 7.850 0.100 pH 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1050 SILVER < 0.200 UG/L 100 10 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1052 SODIUM 12.000 1.000 MG/L 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1064 CONDUCTIVITY @ 25 C UMHOS/CM 440.000 2.000 UMHO/CM 1600 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1055 SULFATE 48.000 0.500 MG/L 500 .5 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1930 TDS 290.000 10.000 MG/L 1000 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 0100 TURBIDITY 0.100 0.100 NTU 5 .1 08-30-2023 36 2026/08
CA1910024_010_010 SECONDARY/GP-202608 1095 ZINC < 10.000 UG/L 5000 50 08-30-2023 36 2026/08
CA1910024_010_010 INORGANIC-202608 1002 ALUMINUM < 20.000 UG/L 1000 50 08-30-2023 36 2026/08
CA1910024_010_010 INORGANIC-202608 1074 ANTIMONY, TOTAL < 0.500 UG/L 6 6 08-30-2023 36 2026/08
CA1910024_010_010 INORGANIC-202608 1005 ARSENIC 1.700 0.500 UG/L 10 2 08-30-2023 36 2026/08
CA1910024_010_010 INORGANIC-202608 1010 BARIUM 41.000 1.000 UG/L 1000 100 08-30-2023 36 2026/08
CA1910024_010_010 INORGANIC-202608 1075 BERYLLIUM, TOTAL < 0.100 UG/L 4 1 08-30-2023 36 2026/08
CA1910024_010_010 INORGANIC-202608 1015 CADMIUM < 0.500 UG/L 5 1 08-30-2023 36 2026/08
CA1910024_010_010 INORGANIC-202608 1020 CHROMIUM < 2.000 UG/L 50 10 08-30-2023 36 2026/08
CA1910024_010_010 INORGANIC-202608 1024 CYANIDE < 5.000 UG/L 150 100 08-30-2023 36 2026/08
CA1910024_010_010 INORGANIC-202608 1025 FLUORIDE 0.190 0.100 MG/L 2 .1 08-30-2023 36 2026/08
CA1910024_010_010 INORGANIC-202608 1035 MERCURY < 0.050 UG/L 2 1 08-30-2023 36 2026/08
CA1910024_010_010 INORGANIC-202608 1036 NICKEL < 2.000 UG/L 100 10 08-30-2023 36 2026/08
CA1910024_010_010 INORGANIC-202502 1039 PERCHLORATE < 2.000 UG/L 6 1 02-26-2024 12 2025/02
CA1910024_010_010 INORGANIC-202608 1045 SELENIUM < 0.500 UG/L 50 5 08-30-2023 36 2026/08
CA1910024_010_010 INORGANIC-202608 1085 THALLIUM, TOTAL < 0.200 UG/L 2 1 08-30-2023 36 2026/08
CA1910024_010_010 NITRATE/NITRITE-202504 1040 NITRATE 6.700 0.400 MG/L 10 .4 04-08-2024 12 2025/04
CA1910024_010_010 NITRATE/NITRITE-202608 1041 NITRITE < 0.100 MG/L 1 .4 08-30-2023 36 2026/08
CA1910024_010_010 RADIOLOGICAL-201602 4109 GROSS ALPHA PARTICLE ACTIVITY < 3.000 PCI/L 15 3 11-17-2015 3 2016/02 DUE NOW
CA1910024_010_010 RADIOLOGICAL-201602 4030 RADIUM-228 < 1.000 PCI/L 1 11-17-2015 3 2016/02 DUE NOW
CA1910024_010_010 RADIOLOGICAL-202012 4006 COMBINED URANIUM 1.700 +/- 0.000 1.000 PCI/L 20 1 09-14-2020 3 2020/12 DUE NOW
CA1910024_010_010 REGULATED VOC-202408 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2990 BENZENE < 0.500 UG/L 1 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2251 METHYL TERT-BUTYL ETHER < 2.000 UG/L 13 3 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2996 STYRENE < 0.500 UG/L 100 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2991 TOLUENE < 0.500 UG/L 150 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2904 TRICHLOROTRIFLUOROETHANE < 5.000 UG/L 1200 10 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED VOC-202408 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED SOC-202408 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 08-15-2023 12 2024/08
CA1910024_010_010 REGULATED SOC-202405 2105 2,4-D < 0.100 UG/L 70 10 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2051 LASSO (ALACHLOR) < 0.050 UG/L 2 1 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2050 ATRAZINE < 0.050 UG/L 1 .5 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2625 BENTAZON < 0.500 UG/L 18 2 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2046 CARBOFURAN < 0.500 UG/L 18 5 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2959 CHLORDANE < 0.100 UG/L .1 .1 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2039 DI(2-ETHYLHEXYL) PHTHALATE < 0.600 UG/L 4 3 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2041 DINOSEB < 0.200 UG/L 7 2 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2032 DIQUAT < 0.400 UG/L 20 4 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2033 ENDOTHALL < 5.000 UG/L 100 45 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2005 ENDRIN < 0.010 UG/L 2 .1 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2946 ETHYLENE DIBROMIDE < 0.010 UG/L .05 .02 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2034 GLYPHOSATE < 6.000 UG/L 700 25 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2010 BHC-GAMMA < 0.010 UG/L .2 .2 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2015 METHOXYCHLOR < 0.050 UG/L 30 10 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2036 OXAMYL < 0.500 UG/L 50 20 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2326 PENTACHLOROPHENOL < 0.040 UG/L 1 .2 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2037 SIMAZINE < 0.050 UG/L 4 1 08-16-2021 33 2024/05 DUE NOW
CA1910024_010_010 REGULATED SOC-202405 2020 TOXAPHENE < 0.500 UG/L 3 1 08-16-2021 33 2024/05 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.