Date:11-03-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910036SYSTEM NAME:CALIFORNIA WATER SERVICE CO. - ELACOUNTY:LOS ANGELES 
SOURCE NO.:055SOURCE NAME:WELL 39-02SOURCE CLASS:LGLNSTATUS: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
CA1910036_055_055 SECONDARY/GP-202701 1994 AGGRESSIVE INDEX 11.800 AGGR 01-23-2024 36 2027/01
CA1910036_055_055 SECONDARY/GP-202701 C253 PH, FIELD 7.200 pH 01-23-2024 36 2027/01
CA1910036_055_055 INORGANIC-202701 1002 ALUMINUM < 50.000 UG/L 1000 50 01-23-2024 36 2027/01
CA1910036_055_055 INORGANIC-202701 1074 ANTIMONY, TOTAL < 2.000 UG/L 6 6 01-23-2024 36 2027/01
CA1910036_055_055 INORGANIC-202701 1005 ARSENIC < 2.000 UG/L 10 2 01-23-2024 36 2027/01
CA1910036_055_055 INORGANIC-202709 1010 BARIUM 146.000 50.000 UG/L 1000 100 09-10-2024 36 2027/09
CA1910036_055_055 INORGANIC-202701 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 01-23-2024 36 2027/01
CA1910036_055_055 INORGANIC-202701 1015 CADMIUM < 1.000 UG/L 5 1 01-23-2024 36 2027/01
CA1910036_055_055 INORGANIC-202701 1020 CHROMIUM < 10.000 UG/L 50 10 01-23-2024 36 2027/01
CA1910036_055_055 INORGANIC-202701 1024 CYANIDE < 5.000 UG/L 150 100 01-23-2024 36 2027/01
CA1910036_055_055 INORGANIC-202701 1025 FLUORIDE 0.340 0.100 MG/L 2 .1 01-23-2024 36 2027/01
CA1910036_055_055 INORGANIC-202701 1035 MERCURY < 0.200 UG/L 2 1 01-23-2024 36 2027/01
CA1910036_055_055 INORGANIC-202701 1036 NICKEL < 10.000 UG/L 100 10 01-23-2024 36 2027/01
CA1910036_055_055 INORGANIC-202501 1039 PERCHLORATE < 1.000 UG/L 6 1 01-23-2024 12 2025/01
CA1910036_055_055 INORGANIC-202701 1045 SELENIUM < 2.000 UG/L 50 5 01-23-2024 36 2027/01
CA1910036_055_055 INORGANIC-202701 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 01-23-2024 36 2027/01
CA1910036_055_055 NITRATE/NITRITE-202501 1040 NITRATE 1.500 0.230 MG/L 10 .4 01-23-2024 12 2025/01
CA1910036_055_055 NITRATE/NITRITE-202701 1041 NITRITE < 0.050 MG/L 1 .4 01-23-2024 36 2027/01
CA1910036_055_055 RADIOLOGICAL-203007 4109 GROSS ALPHA PARTICLE ACTIVITY 4.370 +/- 1.820 0.490 PCI/L 15 3 07-17-2024 72 2030/07
CA1910036_055_055 REGULATED VOC-202507 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2990 BENZENE < 0.500 UG/L 1 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2251 METHYL TERT-BUTYL ETHER < 0.500 UG/L 13 3 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2996 STYRENE < 0.500 UG/L 100 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2987 TETRACHLOROETHYLENE 1.200 0.500 UG/L 5 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2991 TOLUENE < 0.500 UG/L 150 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2984 TRICHLOROETHYLENE 1.500 0.500 UG/L 5 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2904 TRICHLOROTRIFLUOROETHANE < 0.500 UG/L 1200 10 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED VOC-202507 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-10-2024 12 2025/07
CA1910036_055_055 REGULATED SOC-202704 2414 1,2,3-TRICHLOROPROPANE < 0.001 UG/L 0.005 07-22-2024 33 2027/04
CA1910036_055_055 REGULATED SOC-202704 2050 ATRAZINE < 0.500 UG/L 1 .5 07-24-2024 33 2027/04
CA1910036_055_055 REGULATED SOC-202704 2306 BENZO(A)PYRENE < 0.100 UG/L .2 .1 07-24-2024 33 2027/04
CA1910036_055_055 REGULATED SOC-202704 2959 CHLORDANE < 0.100 UG/L .1 .1 07-24-2024 33 2027/04
CA1910036_055_055 REGULATED SOC-202704 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 07-24-2024 33 2027/04
CA1910036_055_055 REGULATED SOC-202706 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 09-17-2024 33 2027/06
CA1910036_055_055 REGULATED SOC-202706 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 09-17-2024 33 2027/06
CA1910036_055_055 REGULATED SOC-202704 2015 METHOXYCHLOR < 10.000 UG/L 30 10 07-24-2024 33 2027/04
CA1910036_055_055 REGULATED SOC-202704 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 07-24-2024 33 2027/04
CA1910036_055_055 REGULATED SOC-202704 2037 SIMAZINE < 1.000 UG/L 4 1 07-24-2024 33 2027/04
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.