Drinking Water Systems in ROCK ISLAND, Illinois
2 water systems are reported for this city, with a combined service population of 46,818. The systems have 7 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving ROCK ISLAND
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)4 records
Total Trihalomethanes (TTHMs)4 records
Haloacetic Acids (HAA5)4 records
Surface Water Treatment Rule4 records
Lead and Copper Rule2 records
Consumer Confidence Rule2 records
Toxaphene2 records
Chloramine1 record
Nitrate1 record
Endrin1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.