Date:04-28-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910243SYSTEM NAME:CALIFORNIA WATER SERVICE CO-LEONA VALLEYCOUNTY:LOS ANGELES 
SOURCE NO.:006SOURCE NAME:WELL 01-01 (FORMERLY WELL 05)SOURCE CLASS:LGSBSTATUS: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
CA1910243_006_006 SECONDARY/GP-202612 1928 ALKALINITY, BICARBONATE 190.000 3.000 MG/L 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1919 CALCIUM 100.000 0.100 MG/L 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1929 ALKALINITY, CARBONATE < 3.000 MG/L 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1017 CHLORIDE 150.000 1.000 MG/L 500 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1905 COLOR < 5.000 UNITS 15 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1022 COPPER, FREE < 5.000 UG/L 1000 50 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1915 HARDNESS, TOTAL (AS CACO3) 320.000 0.410 MG/L 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1021 HYDROXIDE AS CALCIUM CARBONATE < 3.000 MG/L 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1028 IRON 130.000 30.000 UG/L 300 100 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1031 MAGNESIUM 16.000 0.100 MG/L 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1032 MANGANESE 84.000 10.000 UG/L 50 20 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1920 ODOR < 1.000 TON 3 1 12-13-2023 36 2026/12
CA1910243_006_006 GENERAL NON CHAP 15-202612 C253 PH, FIELD 6.900 pH 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1050 SILVER < 10.000 UG/L 100 10 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1052 SODIUM 180.000 1.000 MG/L 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1064 CONDUCTIVITY @ 25 C UMHOS/CM 1400.000 1.000 UMHO/CM 1600 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1055 SULFATE 310.000 1.000 MG/L 500 .5 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1930 TDS 890.000 5.000 MG/L 1000 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 0100 TURBIDITY 1.000 0.100 NTU 5 .1 12-13-2023 36 2026/12
CA1910243_006_006 SECONDARY/GP-202612 1095 ZINC 52.000 50.000 UG/L 5000 50 12-13-2023 36 2026/12
CA1910243_006_006 INORGANIC-202612 1002 ALUMINUM < 50.000 UG/L 1000 50 12-13-2023 36 2026/12
CA1910243_006_006 INORGANIC-202612 1074 ANTIMONY, TOTAL < 2.000 UG/L 6 6 12-13-2023 36 2026/12
CA1910243_006_006 INORGANIC-202612 1005 ARSENIC < 2.000 UG/L 10 2 12-13-2023 36 2026/12
CA1910243_006_006 INORGANIC-202502 1094 ASBESTOS < 0.200 MFL 7 .2 02-09-2016 108 2025/02
CA1910243_006_006 INORGANIC-202612 1010 BARIUM 50.000 50.000 UG/L 1000 100 12-13-2023 36 2026/12
CA1910243_006_006 INORGANIC-202612 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 12-13-2023 36 2026/12
CA1910243_006_006 INORGANIC-202612 1015 CADMIUM < 1.000 UG/L 5 1 12-13-2023 36 2026/12
CA1910243_006_006 INORGANIC-202612 1020 CHROMIUM < 10.000 UG/L 50 10 12-13-2023 36 2026/12
CA1910243_006_006 INORGANIC-202612 1024 CYANIDE < 5.000 UG/L 150 100 12-13-2023 36 2026/12
CA1910243_006_006 INORGANIC-202612 1025 FLUORIDE 2.400 0.500 MG/L 2 .1 12-13-2023 36 2026/12
CA1910243_006_006 INORGANIC-202612 1035 MERCURY < 0.200 UG/L 2 1 12-13-2023 36 2026/12
CA1910243_006_006 INORGANIC-202612 1036 NICKEL < 10.000 UG/L 100 10 12-13-2023 36 2026/12
CA1910243_006_006 INORGANIC-202612 1039 PERCHLORATE < 2.000 UG/L 6 2 12-13-2023 36 2026/12
CA1910243_006_006 INORGANIC-202612 1045 SELENIUM < 2.000 UG/L 50 5 12-13-2023 36 2026/12
CA1910243_006_006 INORGANIC-202612 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 12-13-2023 36 2026/12
CA1910243_006_006 NITRATE/NITRITE-202403 1040 NITRATE 1.800 0.230 MG/L 10 .4 12-13-2023 3 2024/03 DUE NOW
CA1910243_006_006 NITRATE/NITRITE-202612 1041 NITRITE < 0.050 MG/L 1 .4 12-13-2023 36 2026/12
CA1910243_006_006 RADIOLOGICAL-202912 4109 GROSS ALPHA PARTICLE ACTIVITY 2.190 +/- 1.120 1.490 PCI/L 15 3 12-13-2023 72 2029/12
CA1910243_006_006 RADIOLOGICAL-202912 4020 RADIUM-226 < 0.410 PCI/L 1 12-13-2023 72 2029/12
CA1910243_006_006 RADIOLOGICAL-202912 4030 RADIUM-228 < 0.050 PCI/L 1 12-13-2023 72 2029/12
CA1910243_006_006 RADIOLOGICAL-202612 4006 COMBINED URANIUM 1.600 +/- 0.000 0.670 PCI/L 20 1 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED VOC-202412 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2990 BENZENE < 0.500 UG/L 1 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2251 METHYL TERT-BUTYL ETHER < 0.500 UG/L 13 3 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2996 STYRENE < 0.500 UG/L 100 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2991 TOLUENE 0.600 0.500 UG/L 150 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2904 TRICHLOROTRIFLUOROETHANE < 0.500 UG/L 1200 10 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED VOC-202412 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 12-13-2023 12 2024/12
CA1910243_006_006 REGULATED SOC-202612 2414 1,2,3-TRICHLOROPROPANE < 0.002 UG/L 0.005 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED SOC-202612 2105 2,4-D < 10.000 UG/L 70 10 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED SOC-202701 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 01-18-2024 36 2027/01
CA1910243_006_006 REGULATED SOC-202701 2050 ATRAZINE < 0.500 UG/L 1 .5 01-18-2024 36 2027/01
CA1910243_006_006 REGULATED SOC-202612 2625 BENTAZON < 2.000 UG/L 18 2 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED SOC-202612 2046 CARBOFURAN < 5.000 UG/L 18 5 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED SOC-202612 2959 CHLORDANE < 0.100 UG/L .1 .1 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED SOC-202701 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 01-18-2024 36 2027/01
CA1910243_006_006 REGULATED SOC-202102 2931 1,2-DIBROMO-3-CHLOROPROPANE < UG/L .2 .01 02-13-2018 36 2021/02 DUE NOW
CA1910243_006_006 REGULATED SOC-202612 2041 DINOSEB < 2.000 UG/L 7 2 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED SOC-202612 2032 DIQUAT < 4.000 UG/L 20 4 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED SOC-202612 2033 ENDOTHALL < 45.000 UG/L 100 45 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED SOC-202612 2005 ENDRIN < 0.100 UG/L 2 .1 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED SOC-202102 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 02-13-2018 36 2021/02 DUE NOW
CA1910243_006_006 REGULATED SOC-202612 2034 GLYPHOSATE < 25.000 UG/L 700 25 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED SOC-202612 2010 BHC-GAMMA < 0.200 UG/L .2 .2 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED SOC-202612 2015 METHOXYCHLOR < 10.000 UG/L 30 10 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED SOC-202612 2036 OXAMYL < 20.000 UG/L 50 20 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED SOC-202612 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 12-13-2023 36 2026/12
CA1910243_006_006 REGULATED SOC-202701 2037 SIMAZINE < 1.000 UG/L 4 1 01-18-2024 36 2027/01
CA1910243_006_006 REGULATED SOC-202612 2020 TOXAPHENE < 1.000 UG/L 3 1 12-13-2023 36 2026/12
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.