Drinking Water Systems in COQUILLE, Oregon

4 water systems are reported for this city, with a combined service population of 4,743. The systems have 101 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving COQUILLE

EPA Contaminant Categories in Historical Violation Records

Total Trihalomethanes (TTHMs)34 records
Coliform (TCR)28 records
Haloacetic Acids (HAA5)28 records
Surface Water Treatment Rule26 records
Lead and Copper Rule18 records
Interim Enhanced Surface Water Treatment Rule17 records
Consumer Confidence Rule12 records
Revised Total Coliform Rule7 records
Benzene6 records
ETHYLENE DIBROMIDE4 records

Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.