Drinking Water Systems in Portland, Washington
1 water system are reported for this city, with a combined service population of 125. The systems have 2 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving Portland
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)15 records
Nitrate9 records
Pentachlorophenol3 records
Benzene3 records
Cadmium2 records
Chromium2 records
Fluoride2 records
Methoxychlor2 records
Toxaphene2 records
Di(2-ethylhexyl) adipate2 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.