Drinking Water Systems in WILSONVILLE, Oregon
2 water systems are reported for this city, with a combined service population of 26,115. The systems have 7 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving WILSONVILLE
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)24 records
Nitrate10 records
Consumer Confidence Rule8 records
Lead and Copper Rule7 records
Surface Water Treatment Rule4 records
1,2,4-Trichlorobenzene2 records
Tetrachloroethylene2 records
Ethylbenzene2 records
Interim Enhanced Surface Water Treatment Rule2 records
Revised Total Coliform Rule2 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.