Drinking Water Systems in POSEN, Illinois
1 water system are reported for this city, with a combined service population of 5,331. The systems have 2 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving POSEN
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)11 records
Consumer Confidence Rule5 records
Lead and Copper Rule4 records
LEAD AND COPPER RULE REVISIONS1 record
Total Trihalomethanes (TTHMs)1 record
Haloacetic Acids (HAA5)1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.