Date:05-03-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910009SYSTEM NAME:VALLEY COUNTY WATER DIST.COUNTY:LOS ANGELES 
SOURCE NO.:162SOURCE NAME:ARROW WELL - SA1-4SOURCE 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
CA1910009_162_162 SECONDARY/GP-202703 1928 ALKALINITY, BICARBONATE 240.000 24.000 MG/L 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1919 CALCIUM 71.000 0.500 MG/L 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1929 ALKALINITY, CARBONATE < 20.000 MG/L 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1017 CHLORIDE 41.000 0.500 MG/L 500 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1905 COLOR < 3.000 UNITS 15 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1022 COPPER, FREE 3.000 1.000 UG/L 1000 50 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1915 HARDNESS, TOTAL (AS CACO3) 237.000 3.310 MG/L 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1021 HYDROXIDE AS CALCIUM CARBONATE < 20.000 MG/L 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1028 IRON < 30.000 UG/L 300 100 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1031 MAGNESIUM 14.500 0.500 MG/L 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1032 MANGANESE < 1.000 UG/L 50 20 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1920 ODOR < 1.000 TON 3 1 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1925 PH 7.760 0.100 pH 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1050 SILVER < 0.200 UG/L 100 10 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1052 SODIUM 23.000 10.000 MG/L 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1064 CONDUCTIVITY @ 25 C UMHOS/CM 540.000 2.000 UMHO/CM 1600 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1055 SULFATE 42.000 0.500 MG/L 500 .5 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1930 TDS 320.000 10.000 MG/L 1000 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 0100 TURBIDITY 0.100 0.100 NTU 5 .1 03-05-2024 36 2027/03
CA1910009_162_162 SECONDARY/GP-202703 1095 ZINC < 10.000 UG/L 5000 50 03-05-2024 36 2027/03
CA1910009_162_162 INORGANIC-202703 1002 ALUMINUM < 20.000 UG/L 1000 50 03-05-2024 36 2027/03
CA1910009_162_162 INORGANIC-202703 1074 ANTIMONY, TOTAL < 0.500 UG/L 6 6 03-05-2024 36 2027/03
CA1910009_162_162 INORGANIC-202703 1005 ARSENIC 1.500 0.500 UG/L 10 2 03-05-2024 36 2027/03
CA1910009_162_162 INORGANIC-202703 1010 BARIUM 140.000 1.000 UG/L 1000 100 03-05-2024 36 2027/03
CA1910009_162_162 INORGANIC-202703 1075 BERYLLIUM, TOTAL < 0.100 UG/L 4 1 03-05-2024 36 2027/03
CA1910009_162_162 INORGANIC-202703 1015 CADMIUM < 0.500 UG/L 5 1 03-05-2024 36 2027/03
CA1910009_162_162 INORGANIC-202703 1020 CHROMIUM < 2.000 UG/L 50 10 03-05-2024 36 2027/03
CA1910009_162_162 INORGANIC-202703 1024 CYANIDE 17.000 5.000 UG/L 150 100 03-05-2024 36 2027/03
CA1910009_162_162 INORGANIC-202703 1025 FLUORIDE 0.250 0.100 MG/L 2 .1 03-05-2024 36 2027/03
CA1910009_162_162 INORGANIC-202703 1035 MERCURY 0.390 0.050 UG/L 2 1 03-05-2024 36 2027/03
CA1910009_162_162 INORGANIC-202703 1036 NICKEL < 2.000 UG/L 100 10 03-05-2024 36 2027/03
CA1910009_162_162 INORGANIC-202503 1039 PERCHLORATE < 1.000 UG/L 6 1 03-05-2024 12 2025/03
CA1910009_162_162 INORGANIC-202703 1045 SELENIUM < 0.500 UG/L 50 5 03-05-2024 36 2027/03
CA1910009_162_162 INORGANIC-202703 1085 THALLIUM, TOTAL < 0.200 UG/L 2 1 03-05-2024 36 2027/03
CA1910009_162_162 NITRATE/NITRITE-202503 1040 NITRATE 2.900 0.110 MG/L 10 .4 03-05-2024 12 2025/03
CA1910009_162_162 NITRATE/NITRITE-202703 1041 NITRITE < 0.100 MG/L 1 .4 03-05-2024 36 2027/03
CA1910009_162_162 RADIOLOGICAL-202608 4109 GROSS ALPHA PARTICLE ACTIVITY 2.360 +/- 0.265 0.054 PCI/L 15 3 08-30-2023 36 2026/08
CA1910009_162_162 RADIOLOGICAL-202702 4020 RADIUM-226 < 1.000 PCI/L 1 02-27-2024 36 2027/02
CA1910009_162_162 RADIOLOGICAL-202702 4030 RADIUM-228 < 1.000 PCI/L 1 02-27-2024 36 2027/02
CA1910009_162_162 RADIOLOGICAL-202608 4006 COMBINED URANIUM 2.500 +/- 0.000 0.130 PCI/L 20 1 08-30-2023 36 2026/08
CA1910009_162_162 REGULATED VOC-202503 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2990 BENZENE < 0.500 UG/L 1 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2251 METHYL TERT-BUTYL ETHER < 2.000 UG/L 13 3 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2996 STYRENE < 0.500 UG/L 100 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2987 TETRACHLOROETHYLENE 13.000 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2991 TOLUENE < 0.500 UG/L 150 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2984 TRICHLOROETHYLENE 5.500 0.500 UG/L 5 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2904 TRICHLOROTRIFLUOROETHANE < 5.000 UG/L 1200 10 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED VOC-202503 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 03-05-2024 12 2025/03
CA1910009_162_162 REGULATED SOC-202404 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 03-05-2024 1 2024/04 DUE NOW
CA1910009_162_162 REGULATED SOC-202211 2050 ATRAZINE < 0.100 UG/L 1 .5 08-29-2022 3 2022/11 DUE NOW
CA1910009_162_162 REGULATED SOC-202211 2306 BENZO(A)PYRENE < 0.100 UG/L .2 .1 08-29-2022 3 2022/11 DUE NOW
CA1910009_162_162 REGULATED SOC-202211 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 08-29-2022 3 2022/11 DUE NOW
CA1910009_162_162 REGULATED SOC-202211 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 08-29-2022 3 2022/11 DUE NOW
CA1910009_162_162 REGULATED SOC-202211 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 08-29-2022 3 2022/11 DUE NOW
CA1910009_162_162 REGULATED SOC-202211 2015 METHOXYCHLOR < 0.010 UG/L 30 10 08-29-2022 3 2022/11 DUE NOW
CA1910009_162_162 REGULATED SOC-202211 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 08-29-2022 3 2022/11 DUE NOW
CA1910009_162_162 REGULATED SOC-202211 2037 SIMAZINE < 0.100 UG/L 4 1 08-29-2022 3 2022/11 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.