Drinking Water Systems in CORNELIUS, Oregon
3 water systems are reported for this city, with a combined service population of 14,605. The systems have 35 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving CORNELIUS
EPA Contaminant Categories in Historical Violation Records
Groundwater Rule37 records
Coliform (TCR)26 records
Consumer Confidence Rule18 records
Lead and Copper Rule10 records
Total Trihalomethanes (TTHMs)6 records
Haloacetic Acids (HAA5)6 records
Gross Alpha4 records
Radium-2263 records
Public Notice3 records
Trichloroethylene (TCE)2 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.