Drinking Water Systems in CHESTER, Illinois

1 water system are reported for this city, with a combined service population of 8,407. The systems have 2 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving CHESTER

EPA Contaminant Categories in Historical Violation Records

Surface Water Treatment Rule23 records
Coliform (TCR)3 records
Public Notice3 records
Chlorine1 record
CARBON, TOTAL1 record
Simazine1 record
Atrazine1 record
Gross Alpha1 record
Interim Enhanced Surface Water Treatment Rule1 record

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