Date:07-11-2025STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4710007SYSTEM NAME:MONTAGUE, CITY OFCOUNTY:SISKIYOU 
SOURCE NO.:007SOURCE NAME:SHASTA RIVER DIVERSION - RAWSOURCE CLASS:CLSPSTATUS: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_007_007 SECONDARY/GP 1928 ALKALINITY, BICARBONATE 146.000 5.000 MG/L 04-03-2025 108 2034/04
CA4710007_007_007 SECONDARY/GP 1919 CALCIUM MG/L 0 DUE NOW
CA4710007_007_007 SECONDARY/GP 1929 ALKALINITY, CARBONATE 21.000 5.000 MG/L 04-03-2025 108 2034/04
CA4710007_007_007 SECONDARY/GP 1017 CHLORIDE MG/L 500 12 DUE NOW
CA4710007_007_007 SECONDARY/GP 1022 COPPER, FREE UG/L 1000 50 12 DUE NOW
CA4710007_007_007 SECONDARY/GP 2905 FOAMING AGENTS (SURFACTANTS) MG/L .5 12 DUE NOW
CA4710007_007_007 SECONDARY/GP 1915 HARDNESS, TOTAL (AS CACO3) MG/L 0 DUE NOW
CA4710007_007_007 SECONDARY/GP 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 04-03-2025 108 2034/04
CA4710007_007_007 SECONDARY/GP 1028 IRON UG/L 300 12 DUE NOW
CA4710007_007_007 SECONDARY/GP 1031 MAGNESIUM MG/L 0 DUE NOW
CA4710007_007_007 SECONDARY/GP 1032 MANGANESE UG/L 50 12 DUE NOW
CA4710007_007_007 SECONDARY/GP 1050 SILVER UG/L 100 10 12 DUE NOW
CA4710007_007_007 SECONDARY/GP 1052 SODIUM MG/L 0 DUE NOW
CA4710007_007_007 SECONDARY/GP 1064 CONDUCTIVITY @ 25 C UMHOS/CM UMHO/CM 1600 12 DUE NOW
CA4710007_007_007 SECONDARY/GP 1055 SULFATE MG/L 500 12 DUE NOW
CA4710007_007_007 SECONDARY/GP 1930 TDS MG/L 1000 12 DUE NOW
CA4710007_007_007 SECONDARY/GP 1095 ZINC UG/L 5000 50 12 DUE NOW
CA4710007_007_007 INORGANIC 1002 ALUMINUM UG/L 1000 50 12 DUE NOW
CA4710007_007_007 INORGANIC 1074 ANTIMONY, TOTAL UG/L 6 6 12 DUE NOW
CA4710007_007_007 INORGANIC 1005 ARSENIC UG/L 10 2 12 DUE NOW
CA4710007_007_007 INORGANIC 1094 ASBESTOS MFL 7 .2 0 DUE NOW
CA4710007_007_007 INORGANIC 1010 BARIUM UG/L 1000 100 12 DUE NOW
CA4710007_007_007 INORGANIC 1075 BERYLLIUM, TOTAL UG/L 4 1 12 DUE NOW
CA4710007_007_007 INORGANIC 1015 CADMIUM UG/L 5 1 12 DUE NOW
CA4710007_007_007 INORGANIC 1020 CHROMIUM UG/L 50 10 12 DUE NOW
CA4710007_007_007 INORGANIC 1025 FLUORIDE MG/L 2 .1 12 DUE NOW
CA4710007_007_007 INORGANIC 1035 MERCURY UG/L 2 1 12 DUE NOW
CA4710007_007_007 INORGANIC 1036 NICKEL UG/L 100 10 12 DUE NOW
CA4710007_007_007 INORGANIC 1039 PERCHLORATE UG/L 6 1 6 DUE NOW
CA4710007_007_007 INORGANIC 1045 SELENIUM UG/L 50 5 12 DUE NOW
CA4710007_007_007 INORGANIC 1085 THALLIUM, TOTAL UG/L 2 1 12 DUE NOW
CA4710007_007_007 NITRATE/NITRITE 1040 NITRATE MG/L 10 .4 3 DUE NOW
CA4710007_007_007 NITRATE/NITRITE 1041 NITRITE MG/L 1 .4 0 DUE NOW
CA4710007_007_007 RADIOLOGICAL 4109 GROSS ALPHA PARTICLE ACTIVITY PCI/L 15 3 0 DUE NOW
CA4710007_007_007 REGULATED SOC 2414 1,2,3-TRICHLOROPROPANE UG/L 0.005 0 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.