Drinking Water Systems in VANDALIA, Illinois

3 water systems are reported for this city, with a combined service population of 8,317. The systems have 8 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving VANDALIA

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)14 records
Chlorine5 records
Haloacetic Acids (HAA5)5 records
Consumer Confidence Rule5 records
Lead and Copper Rule4 records
Total Trihalomethanes (TTHMs)4 records
Public Notice3 records
Revised Total Coliform Rule3 records
Surface Water Treatment Rule3 records
Gross Alpha2 records

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