Drinking Water Systems in Coulee City, Washington
1 water system are reported for this city, with a combined service population of 944. The systems have 6 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving Coulee City
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)6 records
Revised Total Coliform Rule4 records
Consumer Confidence Rule1 record
Haloacetic Acids (HAA5)1 record
Gross Alpha1 record
Total Trihalomethanes (TTHMs)1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.