Drinking Water Systems in CORVALLIS, Oregon

12 water systems are reported for this city, with a combined service population of 63,100. The systems have 82 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving CORVALLIS

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)74 records
Consumer Confidence Rule26 records
Nitrate16 records
Lead and Copper Rule14 records
Tetrachloroethylene14 records
Surface Water Treatment Rule14 records
Gross Alpha13 records
Revised Total Coliform Rule11 records
Radium-22611 records
Benzene7 records

Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.