Drinking Water Systems in Ferndale, Washington

19 water systems are reported for this city, with a combined service population of 21,726. The systems have 25 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving Ferndale

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)168 records
Nitrate63 records
Arsenic36 records
Consumer Confidence Rule36 records
Chromium22 records
Selenium22 records
Cadmium22 records
Fluoride22 records
Barium21 records
Thallium21 records

Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.