Date:05-06-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910242SYSTEM NAME:CALIFORNIA WATER SERVICE CO-LAKE HUGHESCOUNTY:LOS ANGELES 
SOURCE NO.:002SOURCE NAME:WELL 02-01 - STANDBYSOURCE CLASS:SB05STATUS: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
CA1910242_002_002 SECONDARY/GP-203101 1928 ALKALINITY, BICARBONATE 260.000 3.000 MG/L 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1919 CALCIUM 78.000 0.100 MG/L 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1929 ALKALINITY, CARBONATE < 3.000 MG/L 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1017 CHLORIDE 7.900 1.000 MG/L 500 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1905 COLOR < 5.000 UNITS 15 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1022 COPPER, FREE < 5.000 UG/L 1000 50 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1915 HARDNESS, TOTAL (AS CACO3) 280.000 0.410 MG/L 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1021 HYDROXIDE AS CALCIUM CARBONATE < 3.000 MG/L 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1028 IRON 330.000 30.000 UG/L 300 100 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1031 MAGNESIUM 20.000 0.100 MG/L 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1032 MANGANESE 260.000 10.000 UG/L 50 20 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1920 ODOR < 1.000 TON 3 1 01-18-2022 108 2031/01
CA1910242_002_002 GENERAL NON CHAP 15-203101 C253 PH, FIELD 7.100 pH 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1050 SILVER < 10.000 UG/L 100 10 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1052 SODIUM 23.000 1.000 MG/L 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1064 CONDUCTIVITY @ 25 C UMHOS/CM 600.000 1.000 UMHO/CM 1600 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1055 SULFATE 44.000 1.000 MG/L 500 .5 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1930 TDS 360.000 5.000 MG/L 1000 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 0100 TURBIDITY 1.400 0.100 NTU 5 .1 01-18-2022 108 2031/01
CA1910242_002_002 SECONDARY/GP-203101 1095 ZINC < 50.000 UG/L 5000 50 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1002 ALUMINUM < 50.000 UG/L 1000 50 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1074 ANTIMONY, TOTAL < 2.000 UG/L 6 6 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1005 ARSENIC < 2.000 UG/L 10 2 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1094 ASBESTOS < 0.190 MFL 7 .2 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1010 BARIUM 64.000 50.000 UG/L 1000 100 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1015 CADMIUM < 1.000 UG/L 5 1 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1020 CHROMIUM < 10.000 UG/L 50 10 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1024 CYANIDE < 5.000 UG/L 150 100 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1025 FLUORIDE 0.590 0.100 MG/L 2 .1 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1035 MERCURY < 0.200 UG/L 2 1 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1036 NICKEL < 10.000 UG/L 100 10 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1039 PERCHLORATE < 2.000 UG/L 6 2 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1045 SELENIUM < 2.000 UG/L 50 5 01-18-2022 108 2031/01
CA1910242_002_002 INORGANIC-203101 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 01-18-2022 108 2031/01
CA1910242_002_002 NITRATE/NITRITE-203101 1040 NITRATE 0.360 0.230 MG/L 10 .4 01-18-2022 108 2031/01
CA1910242_002_002 NITRATE/NITRITE-203101 1041 NITRITE < 0.050 MG/L 1 .4 01-31-2022 108 2031/01
CA1910242_002_002 RADIOLOGICAL-203101 4109 GROSS ALPHA PARTICLE ACTIVITY 3.600 +/- 0.730 3.000 PCI/L 15 3 01-18-2022 108 2031/01
CA1910242_002_002 RADIOLOGICAL-203101 4020 RADIUM-226 < 1.000 PCI/L 1 01-18-2022 108 2031/01
CA1910242_002_002 RADIOLOGICAL-203101 4030 RADIUM-228 < 1.000 PCI/L 1 01-18-2022 108 2031/01
CA1910242_002_002 RADIOLOGICAL-203101 4006 COMBINED URANIUM 5.200 +/- 0.000 0.670 PCI/L 20 1 01-31-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2990 BENZENE < 0.500 UG/L 1 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2251 METHYL TERT-BUTYL ETHER < 0.500 UG/L 13 3 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2996 STYRENE < 0.500 UG/L 100 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2991 TOLUENE < 0.500 UG/L 150 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED VOC-203101 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED SOC-202710 2414 1,2,3-TRICHLOROPROPANE < UG/L 0.005 10-15-2018 108 2027/10
CA1910242_002_002 REGULATED SOC-203101 2039 DI(2-ETHYLHEXYL) PHTHALATE < 0.600 UG/L 4 3 01-18-2022 108 2031/01
CA1910242_002_002 REGULATED SOC-203101 2727 THIOBENCARB (BOLERO) < 0.200 UG/L 70 1 01-18-2022 108 2031/01
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.