Drinking Water Systems in MCKENNA, Washington
1 water system are reported for this city, with a combined service population of 600. The systems have 3 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving MCKENNA
EPA Contaminant Categories in Historical Violation Records
Total Trihalomethanes (TTHMs)1 record
Haloacetic Acids (HAA5)1 record
Consumer Confidence Rule1 record
Nitrate1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.