Drinking Water Systems in Rock Island, Washington
2 water systems are reported for this city, with a combined service population of 3,523. The systems have 2 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving Rock Island
Rock Island Water Dept City of
3,226 served9 historical records2 recent
B
CRO FARMS INC
297 served57 historical records
A
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)15 records
Consumer Confidence Rule4 records
Nitrate3 records
Arsenic2 records
Cadmium2 records
Fluoride2 records
Selenium2 records
Thallium2 records
Barium2 records
Chromium2 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.