Drinking Water Systems in WATERLOO, Iowa
1 water system are reported for this city, with a combined service population of 69,504. The systems have 0 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving WATERLOO
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)2 records
Lead and Copper Rule2 records
Nitrate2 records
Arsenic1 record
Barium1 record
Cadmium1 record
Chromium1 record
1,1-Dichloroethylene1 record
Selenium1 record
Thallium1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.