Drinking Water Systems in Royal City, Washington
1 water system are reported for this city, with a combined service population of 3,389. The systems have 1 EPA violation record in the five-year period ending June 30, 2026.
Water Systems Serving Royal City
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)8 records
Nitrate4 records
Diquat3 records
Consumer Confidence Rule3 records
Barium1 record
Cadmium1 record
Fluoride1 record
Nickel1 record
Thallium1 record
Beryllium1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.