Date:05-15-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4710007SYSTEM NAME:MONTAGUE, CITY OFCOUNTY:SISKIYOU 
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
CA4710007_001_001 INORGANIC-201707 1039 PERCHLORATE < 4.000 UG/L 6 4 07-13-2016 12 2017/07 DUE NOW
CA4710007_001_001 RADIOLOGICAL-202812 4109 GROSS ALPHA PARTICLE ACTIVITY < PCI/L 15 3 12-05-2019 108 2028/12
CA4710007_001_001 RADIOLOGICAL-202507 4030 RADIUM-228 0.430 +/- 0.320 0.500 PCI/L 1 07-06-2016 108 2025/07
CA4710007_003_003 INORGANIC-202112 1039 PERCHLORATE < 4.000 UG/L 6 4 12-03-2020 12 2021/12 DUE NOW
CA4710007_003_003 RADIOLOGICAL-202210 4109 GROSS ALPHA PARTICLE ACTIVITY < PCI/L 15 3 10-01-2013 108 2022/10 DUE NOW
CA4710007_003_003 RADIOLOGICAL-202210 4030 RADIUM-228 2.300 +/- 1.700 1.000 PCI/L 1 10-01-2013 108 2022/10 DUE NOW
CA4710007_DST_005 DISINFECTION BYPRODUCTS-202405 2943 BROMODICHLOROMETHANE 6.500 0.500 UG/L 1 02-01-2024 3 2024/05 DUE NOW
CA4710007_DST_005 DISINFECTION BYPRODUCTS-202405 2942 BROMOFORM < 0.500 UG/L 1 02-01-2024 3 2024/05 DUE NOW
CA4710007_DST_005 DISINFECTION BYPRODUCTS-202405 2941 CHLOROFORM 27.000 0.500 UG/L 1 02-01-2024 3 2024/05 DUE NOW
CA4710007_DST_005 DISINFECTION BYPRODUCTS-202405 2944 DIBROMOCHLOROMETHANE 1.400 0.500 UG/L 1 02-01-2024 3 2024/05 DUE NOW
CA4710007_DST_005 DISINFECTION BYPRODUCTS-202405 2950 TTHM 35.000 2.000 UG/L 80 02-01-2024 3 2024/05 DUE NOW
CA4710007_DST_006 DISINFECTION BYPRODUCTS-202107 2943 BROMODICHLOROMETHANE 5.130 1.000 UG/L 1 04-01-2021 3 2021/07 DUE NOW
CA4710007_DST_006 DISINFECTION BYPRODUCTS-202107 2942 BROMOFORM < 1.000 UG/L 1 04-01-2021 3 2021/07 DUE NOW
CA4710007_DST_006 DISINFECTION BYPRODUCTS-202107 2941 CHLOROFORM 17.000 1.000 UG/L 1 04-01-2021 3 2021/07 DUE NOW
CA4710007_DST_006 DISINFECTION BYPRODUCTS-202407 2454 DIBROMOACETIC ACID < 2.000 UG/L 1 04-04-2024 3 2024/07
CA4710007_DST_006 DISINFECTION BYPRODUCTS-202107 2944 DIBROMOCHLOROMETHANE 1.600 1.000 UG/L 1 04-01-2021 3 2021/07 DUE NOW
CA4710007_DST_006 DISINFECTION BYPRODUCTS-202407 2451 DICHLOROACETIC ACID 34.000 2.000 UG/L 1 04-04-2024 3 2024/07
CA4710007_DST_006 DISINFECTION BYPRODUCTS-202407 2456 TOTAL HALOACETIC ACIDS (HAA5) 83.000 2.000 UG/L 60 04-04-2024 3 2024/07
CA4710007_DST_006 DISINFECTION BYPRODUCTS-202407 2453 MONOBROMOACETIC ACID < 2.000 UG/L 1 04-04-2024 3 2024/07
CA4710007_DST_006 DISINFECTION BYPRODUCTS-202407 2450 MONOCHLOROACETIC ACID 6.800 2.000 UG/L 2 04-04-2024 3 2024/07
CA4710007_DST_006 DISINFECTION BYPRODUCTS-202107 2950 TTHM 23.800 UG/L 80 04-01-2021 3 2021/07 DUE NOW
CA4710007_DST_006 DISINFECTION BYPRODUCTS-202407 2452 TRICHLOROACETIC ACID 42.000 2.000 UG/L 1 04-04-2024 3 2024/07
CA4710007_007_007 SECONDARY/GP-203302 1928 ALKALINITY, BICARBONATE 170.000 5.000 MG/L 02-01-2024 108 2033/02
CA4710007_007_007 SECONDARY/GP-203302 1929 ALKALINITY, CARBONATE 7.000 5.000 MG/L 02-01-2024 108 2033/02
CA4710007_007_007 SECONDARY/GP-null 1017 CHLORIDE MG/L 500 12 DUE NOW
CA4710007_007_007 SECONDARY/GP-null 1022 COPPER, FREE UG/L 1000 50 12 DUE NOW
CA4710007_007_007 SECONDARY/GP-null 2905 FOAMING AGENTS (SURFACTANTS) MG/L .5 12 DUE NOW
CA4710007_007_007 SECONDARY/GP-203302 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 02-01-2024 108 2033/02
CA4710007_007_007 SECONDARY/GP-null 1028 IRON UG/L 300 100 12 DUE NOW
CA4710007_007_007 SECONDARY/GP-null 1032 MANGANESE UG/L 50 20 12 DUE NOW
CA4710007_007_007 SECONDARY/GP-null 1050 SILVER UG/L 100 10 12 DUE NOW
CA4710007_007_007 SECONDARY/GP-null 1064 CONDUCTIVITY @ 25 C UMHOS/CM UMHO/CM 1600 12 DUE NOW
CA4710007_007_007 SECONDARY/GP-null 1055 SULFATE MG/L 500 .5 12 DUE NOW
CA4710007_007_007 SECONDARY/GP-null 1930 TDS MG/L 1000 12 DUE NOW
CA4710007_007_007 SECONDARY/GP-null 1095 ZINC UG/L 5000 50 12 DUE NOW
CA4710007_007_007 INORGANIC-null 1002 ALUMINUM UG/L 1000 50 12 DUE NOW
CA4710007_007_007 INORGANIC-null 1074 ANTIMONY, TOTAL UG/L 6 6 12 DUE NOW
CA4710007_007_007 INORGANIC-null 1005 ARSENIC UG/L 10 2 12 DUE NOW
CA4710007_007_007 INORGANIC-null 1010 BARIUM UG/L 1000 100 12 DUE NOW
CA4710007_007_007 INORGANIC-null 1075 BERYLLIUM, TOTAL UG/L 4 1 12 DUE NOW
CA4710007_007_007 INORGANIC-null 1015 CADMIUM UG/L 5 1 12 DUE NOW
CA4710007_007_007 INORGANIC-null 1020 CHROMIUM UG/L 50 10 12 DUE NOW
CA4710007_007_007 INORGANIC-null 1025 FLUORIDE MG/L 2 .1 12 DUE NOW
CA4710007_007_007 INORGANIC-null 1035 MERCURY UG/L 2 1 12 DUE NOW
CA4710007_007_007 INORGANIC-null 1036 NICKEL UG/L 100 10 12 DUE NOW
CA4710007_007_007 INORGANIC-null 1039 PERCHLORATE UG/L 6 1 6 DUE NOW
CA4710007_007_007 INORGANIC-null 1045 SELENIUM UG/L 50 5 12 DUE NOW
CA4710007_007_007 INORGANIC-null 1085 THALLIUM, TOTAL UG/L 2 1 12 DUE NOW
CA4710007_007_007 NITRATE/NITRITE-null 1040 NITRATE MG/L 10 .4 3 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.