Date:05-18-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:5610702SYSTEM NAME:U.S.N., SAN NICOLAS ISLANDCOUNTY:VENTURA 
SOURCE NO.:All SourcesSOURCE NAME:N/ASOURCE CLASS:N/ASTATUS:N/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
CA5610702_001_001 SECONDARY/GP-202404 1994 AGGRESSIVE INDEX 12.900 AGGR 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1928 ALKALINITY, BICARBONATE 200.000 10.000 MG/L 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1919 CALCIUM 580.000 1.000 MG/L 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1929 ALKALINITY, CARBONATE < 10.000 MG/L 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1017 CHLORIDE 18000.000 1.000 MG/L 500 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1905 COLOR 6.000 5.000 UNITS 15 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1022 COPPER, FREE < 50.000 UG/L 1000 50 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1915 HARDNESS, TOTAL (AS CACO3) 7450.000 1.000 MG/L 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1021 HYDROXIDE AS CALCIUM CARBONATE < 10.000 MG/L 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1028 IRON < 100.000 UG/L 300 100 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1031 MAGNESIUM 1460.000 1.000 MG/L 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1032 MANGANESE 30.000 20.000 UG/L 50 20 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1920 ODOR < 1.000 TON 3 1 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202204 1925 PH 7.400 pH 04-06-2021 12 2022/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1050 SILVER < 10.000 UG/L 100 10 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1052 SODIUM 9330.000 1.000 MG/L 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1064 CONDUCTIVITY @ 25 C UMHOS/CM 46700.000 UMHO/CM 1600 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1055 SULFATE 2580.000 0.500 MG/L 500 .5 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1930 TDS 33000.000 40.000 MG/L 1000 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 0100 TURBIDITY 0.300 0.100 NTU 5 .1 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 SECONDARY/GP-202404 1095 ZINC < 50.000 UG/L 5000 50 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 INORGANIC-202404 1002 ALUMINUM < 50.000 UG/L 1000 50 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 INORGANIC-202404 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 INORGANIC-202404 1005 ARSENIC < 2.000 UG/L 10 2 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 INORGANIC-203004 1094 ASBESTOS < 0.200 MFL 7 .2 04-06-2021 108 2030/04
CA5610702_001_001 INORGANIC-202404 1010 BARIUM < 100.000 UG/L 1000 100 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 INORGANIC-202404 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 INORGANIC-202404 1015 CADMIUM < 1.000 UG/L 5 1 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 INORGANIC-202404 1020 CHROMIUM < 10.000 UG/L 50 10 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 INORGANIC-202404 1025 FLUORIDE < 0.100 MG/L 2 .1 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 INORGANIC-202404 1030 LEAD < 5.000 UG/L 5 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 INORGANIC-202404 1035 MERCURY < 1.000 UG/L 2 1 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 INORGANIC-202404 1036 NICKEL < 10.000 UG/L 100 10 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 INORGANIC-202501 1039 PERCHLORATE < 2.000 UG/L 6 1 01-09-2024 12 2025/01
CA5610702_001_001 INORGANIC-202404 1045 SELENIUM 200.000 5.000 UG/L 50 5 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 INORGANIC-202404 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 NITRATE/NITRITE-202404 1040 NITRATE 7.000 0.400 MG/L 10 .4 04-11-2023 12 2024/04 DUE NOW
CA5610702_001_001 NITRATE/NITRITE-202604 1041 NITRITE < 0.400 MG/L 1 .4 04-11-2023 36 2026/04
CA5610702_001_001 RADIOLOGICAL-202704 4109 GROSS ALPHA PARTICLE ACTIVITY 2.980 +/- 1.560 1.300 PCI/L 15 3 04-06-2021 72 2027/04
CA5610702_001_001 REGULATED VOC-202604 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2990 BENZENE < 0.500 UG/L 1 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2996 STYRENE < 0.500 UG/L 100 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2991 TOLUENE < 0.500 UG/L 150 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED VOC-202604 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 04-11-2023 36 2026/04
CA5610702_001_001 REGULATED SOC-202609 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 09-26-2023 36 2026/09
CA5610702_DST_015 DISINFECTION BYPRODUCTS-202504 2943 BROMODICHLOROMETHANE 1.000 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_015 DISINFECTION BYPRODUCTS-202504 2942 BROMOFORM 6.000 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_015 DISINFECTION BYPRODUCTS-202504 2941 CHLOROFORM < 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_015 DISINFECTION BYPRODUCTS-202504 2454 DIBROMOACETIC ACID 5.000 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_015 DISINFECTION BYPRODUCTS-202504 2944 DIBROMOCHLOROMETHANE 2.000 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_015 DISINFECTION BYPRODUCTS-202504 2451 DICHLOROACETIC ACID < 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_015 DISINFECTION BYPRODUCTS-202504 2456 TOTAL HALOACETIC ACIDS (HAA5) 6.000 6.000 UG/L 60 04-02-2024 12 2025/04
CA5610702_DST_015 DISINFECTION BYPRODUCTS-202504 2453 MONOBROMOACETIC ACID 1.000 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_015 DISINFECTION BYPRODUCTS-202504 2450 MONOCHLOROACETIC ACID < 2.000 UG/L 2 04-02-2024 12 2025/04
CA5610702_DST_015 DISINFECTION BYPRODUCTS-202504 2950 TTHM 9.000 4.000 UG/L 80 04-02-2024 12 2025/04
CA5610702_DST_015 DISINFECTION BYPRODUCTS-202504 2452 TRICHLOROACETIC ACID < 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_016 DISINFECTION BYPRODUCTS-201801 2943 BROMODICHLOROMETHANE < 0.500 UG/L 1 01-10-2017 12 2018/01 DUE NOW
CA5610702_DST_016 DISINFECTION BYPRODUCTS-201801 2942 BROMOFORM 25.700 1.000 UG/L 1 01-10-2017 12 2018/01 DUE NOW
CA5610702_DST_016 DISINFECTION BYPRODUCTS-201801 2941 CHLOROFORM < 0.500 UG/L 1 01-10-2017 12 2018/01 DUE NOW
CA5610702_DST_016 DISINFECTION BYPRODUCTS-201709 2454 DIBROMOACETIC ACID 6.000 1.000 UG/L 1 09-20-2016 12 2017/09 DUE NOW
CA5610702_DST_016 DISINFECTION BYPRODUCTS-201801 2944 DIBROMOCHLOROMETHANE 6.100 1.000 UG/L 1 01-10-2017 12 2018/01 DUE NOW
CA5610702_DST_016 DISINFECTION BYPRODUCTS-201709 2451 DICHLOROACETIC ACID 1.000 1.000 UG/L 1 09-20-2016 12 2017/09 DUE NOW
CA5610702_DST_016 DISINFECTION BYPRODUCTS-201709 2456 TOTAL HALOACETIC ACIDS (HAA5) 9.000 UG/L 60 09-20-2016 12 2017/09 DUE NOW
CA5610702_DST_016 DISINFECTION BYPRODUCTS-201709 2453 MONOBROMOACETIC ACID 2.000 1.000 UG/L 1 09-20-2016 12 2017/09 DUE NOW
CA5610702_DST_016 DISINFECTION BYPRODUCTS-201709 2450 MONOCHLOROACETIC ACID < 2.000 UG/L 2 09-20-2016 12 2017/09 DUE NOW
CA5610702_DST_016 DISINFECTION BYPRODUCTS-201801 2950 TTHM 32.700 UG/L 80 01-10-2017 12 2018/01 DUE NOW
CA5610702_DST_016 DISINFECTION BYPRODUCTS-201709 2452 TRICHLOROACETIC ACID < 1.000 UG/L 1 09-20-2016 12 2017/09 DUE NOW
CA5610702_DST_017 DISINFECTION BYPRODUCTS-202504 2943 BROMODICHLOROMETHANE < 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_017 DISINFECTION BYPRODUCTS-202504 2942 BROMOFORM 11.000 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_017 DISINFECTION BYPRODUCTS-202504 2941 CHLOROFORM < 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_017 DISINFECTION BYPRODUCTS-202504 2454 DIBROMOACETIC ACID 5.000 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_017 DISINFECTION BYPRODUCTS-202504 2944 DIBROMOCHLOROMETHANE 3.000 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_017 DISINFECTION BYPRODUCTS-202504 2451 DICHLOROACETIC ACID < 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_017 DISINFECTION BYPRODUCTS-202504 2456 TOTAL HALOACETIC ACIDS (HAA5) 6.000 6.000 UG/L 60 04-02-2024 12 2025/04
CA5610702_DST_017 DISINFECTION BYPRODUCTS-202504 2453 MONOBROMOACETIC ACID 1.000 1.000 UG/L 1 04-02-2024 12 2025/04
CA5610702_DST_017 DISINFECTION BYPRODUCTS-202504 2450 MONOCHLOROACETIC ACID < 2.000 UG/L 2 04-02-2024 12 2025/04
CA5610702_DST_017 DISINFECTION BYPRODUCTS-202504 2950 TTHM 14.000 4.000 UG/L 80 04-02-2024 12 2025/04
CA5610702_DST_017 DISINFECTION BYPRODUCTS-202504 2452 TRICHLOROACETIC ACID < 1.000 UG/L 1 04-02-2024 12 2025/04
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.