Drinking Water Systems in WILSONVILLE, Illinois
1 water system are reported for this city, with a combined service population of 536. The systems have 5 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving WILSONVILLE
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)11 records
Atrazine6 records
Lead and Copper Rule4 records
Haloacetic Acids (HAA5)3 records
Total Trihalomethanes (TTHMs)2 records
Consumer Confidence Rule1 record
Long Term 2 Enhanced Surface Water Treatment Rule1 record
Chloramine1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.