Drinking Water Systems in DARIEN, Illinois

7 water systems are reported for this city, with a combined service population of 35,146. The systems have 11 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving DARIEN

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)27 records
Lead and Copper Rule13 records
Consumer Confidence Rule5 records
Nitrate4 records
Gross Alpha3 records
Carbofuran2 records
Chlordane2 records
Public Notice2 records
OXAMYL2 records
Arsenic2 records

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