Drinking Water Systems in Chewelah, Washington

3 water systems are reported for this city, with a combined service population of 3,002. The systems have 6 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving Chewelah

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)27 records
Consumer Confidence Rule7 records
Revised Total Coliform Rule3 records
Arsenic3 records
Benzene2 records
Nitrate1 record
OXAMYL1 record
Aldicarb sulfoxide1 record
Carbofuran1 record
BHC-GAMMA1 record

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