Drinking Water Systems in MARION, Ohio

3 water systems are reported for this city, with a combined service population of 68,181. The systems have 3 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving MARION

EPA Contaminant Categories in Historical Violation Records

Consumer Confidence Rule9 records
Surface Water Treatment Rule6 records
Haloacetic Acids (HAA5)3 records
Total Trihalomethanes (TTHMs)3 records
2,4-D2 records
Interim Enhanced Surface Water Treatment Rule1 record
Endrin1 record
Methoxychlor1 record
2,4,5-TP1 record
Revised Total Coliform Rule1 record

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