Drinking Water Systems in DEFIANCE, Pennsylvania
1 water system are reported for this city, with a combined service population of 205. The systems have 28 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving DEFIANCE
EPA Contaminant Categories in Historical Violation Records
Surface Water Treatment Rule66 records
Consumer Confidence Rule13 records
Chlorine9 records
Total Trihalomethanes (TTHMs)8 records
Haloacetic Acids (HAA5)7 records
Nitrate6 records
Coliform (TCR)5 records
Lead and Copper Rule4 records
Revised Total Coliform Rule3 records
Vinyl Chloride2 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.