Drinking Water Systems in WATERLOO, Illinois
1 water system are reported for this city, with a combined service population of 10,190. The systems have 25 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving WATERLOO
EPA Contaminant Categories in Historical Violation Records
Surface Water Treatment Rule3 records
Consumer Confidence Rule2 records
Haloacetic Acids (HAA5)2 records
Coliform (TCR)1 record
Lead and Copper Rule1 record
Revised Total Coliform Rule1 record
Total Trihalomethanes (TTHMs)1 record
Radium-2261 record
Trichloroethylene (TCE)1 record
Tetrachloroethylene (PCE)1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.