Drinking Water Systems in MARION, Illinois

9 water systems are reported for this city, with a combined service population of 36,275. The systems have 193 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving MARION

EPA Contaminant Categories in Historical Violation Records

Surface Water Treatment Rule21 records
Coliform (TCR)16 records
Total Trihalomethanes (TTHMs)12 records
Consumer Confidence Rule8 records
Lead and Copper Rule7 records
Haloacetic Acids (HAA5)7 records
Chloramine6 records
CARBON, TOTAL6 records
Public Notice6 records
Benzene6 records

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