Date:05-06-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910158SYSTEM NAME:STERLING MUTUAL WATER COMPANYCOUNTY:LOS ANGELES 
SOURCE NO.:001SOURCE NAME:WELL 01 (NORTH WELL)SOURCE CLASS:LGSFSTATUS: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
CA1910158_001_001 SECONDARY/GP-202602 1928 ALKALINITY, BICARBONATE 260.000 6.100 MG/L 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1919 CALCIUM 67.300 0.500 MG/L 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1929 ALKALINITY, CARBONATE < 5.000 MG/L 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1017 CHLORIDE 19.000 0.500 MG/L 500 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1905 COLOR < 3.000 UNITS 15 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1022 COPPER, FREE < 1.000 UG/L 1000 50 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1915 HARDNESS, TOTAL (AS CACO3) 226.000 3.310 MG/L 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1028 IRON 120.000 30.000 UG/L 300 100 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1031 MAGNESIUM 14.200 0.500 MG/L 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1032 MANGANESE 1.600 1.000 UG/L 50 20 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1920 ODOR < 1.000 TON 3 1 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1925 PH 7.890 0.100 pH 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1050 SILVER < 0.200 UG/L 100 10 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1052 SODIUM 18.000 1.000 MG/L 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1064 CONDUCTIVITY @ 25 C UMHOS/CM 550.000 2.000 UMHO/CM 1600 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1055 SULFATE 38.000 0.500 MG/L 500 .5 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1930 TDS 280.000 10.000 MG/L 1000 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 0100 TURBIDITY 0.950 0.100 NTU 5 .1 02-10-2023 36 2026/02
CA1910158_001_001 SECONDARY/GP-202602 1095 ZINC 52.000 10.000 UG/L 5000 50 02-10-2023 36 2026/02
CA1910158_001_001 INORGANIC-202602 1002 ALUMINUM 24.000 20.000 UG/L 1000 50 02-10-2023 36 2026/02
CA1910158_001_001 INORGANIC-202602 1074 ANTIMONY, TOTAL < 0.500 UG/L 6 6 02-10-2023 36 2026/02
CA1910158_001_001 INORGANIC-202602 1005 ARSENIC 2.300 0.500 UG/L 10 2 02-10-2023 36 2026/02
CA1910158_001_001 INORGANIC-202602 1010 BARIUM 160.000 1.000 UG/L 1000 100 02-10-2023 36 2026/02
CA1910158_001_001 INORGANIC-202602 1075 BERYLLIUM, TOTAL < 0.100 UG/L 4 1 02-10-2023 36 2026/02
CA1910158_001_001 INORGANIC-202602 1015 CADMIUM < 0.500 UG/L 5 1 02-10-2023 36 2026/02
CA1910158_001_001 INORGANIC-202602 1020 CHROMIUM < 2.000 UG/L 50 10 02-10-2023 36 2026/02
CA1910158_001_001 INORGANIC-202602 1024 CYANIDE < 5.000 UG/L 150 100 02-10-2023 36 2026/02
CA1910158_001_001 INORGANIC-202602 1025 FLUORIDE 0.270 0.100 MG/L 2 .1 02-10-2023 36 2026/02
CA1910158_001_001 INORGANIC-202602 1035 MERCURY < 0.050 UG/L 2 1 02-10-2023 36 2026/02
CA1910158_001_001 INORGANIC-202602 1036 NICKEL < 2.000 UG/L 100 10 02-10-2023 36 2026/02
CA1910158_001_001 INORGANIC-202507 1039 PERCHLORATE < 2.000 UG/L 6 2 07-08-2022 36 2025/07
CA1910158_001_001 INORGANIC-202602 1045 SELENIUM < 0.500 UG/L 50 5 02-10-2023 36 2026/02
CA1910158_001_001 INORGANIC-202602 1085 THALLIUM, TOTAL < 0.200 UG/L 2 1 02-10-2023 36 2026/02
CA1910158_001_001 NITRATE/NITRITE-202504 1040 NITRATE 4.800 0.200 MG/L 10 .4 04-12-2024 12 2025/04
CA1910158_001_001 NITRATE/NITRITE-202602 1041 NITRITE < 0.100 MG/L 1 .4 02-10-2023 36 2026/02
CA1910158_001_001 RADIOLOGICAL-201508 4109 GROSS ALPHA PARTICLE ACTIVITY < PCI/L 15 3 05-08-2015 3 2015/08 DUE NOW
CA1910158_001_001 RADIOLOGICAL-200705 4020 RADIUM-226 < 1.000 PCI/L 3 1 02-28-2007 3 2007/05 DUE NOW
CA1910158_001_001 RADIOLOGICAL-201508 4030 RADIUM-228 < 0.200 PCI/L 1 05-08-2015 3 2015/08 DUE NOW
CA1910158_001_001 RADIOLOGICAL-201808 4006 COMBINED URANIUM 2.900 +/- 0.000 1.000 PCI/L 20 1 05-11-2018 3 2018/08 DUE NOW
CA1910158_001_001 REGULATED VOC-202407 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2990 BENZENE < 0.500 UG/L 1 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2251 METHYL TERT-BUTYL ETHER < 2.000 UG/L 13 3 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2996 STYRENE < 0.500 UG/L 100 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2991 TOLUENE < 0.500 UG/L 150 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2904 TRICHLOROTRIFLUOROETHANE < 5.000 UG/L 1200 10 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED VOC-202407 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-21-2023 12 2024/07
CA1910158_001_001 REGULATED SOC-202407 2414 1,2,3-TRICHLOROPROPANE < UG/L 0.005 07-21-2021 36 2024/07
CA1910158_001_001 REGULATED SOC-202405 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 05-21-2021 36 2024/05 DUE NOW
CA1910158_001_001 REGULATED SOC-202405 2727 THIOBENCARB (BOLERO) < 1.000 UG/L 70 1 05-21-2021 36 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.