Drinking Water Systems in JOHN DAY, Oregon

1 water system are reported for this city, with a combined service population of 1,617. The systems have 4 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving JOHN DAY

EPA Contaminant Categories in Historical Violation Records

Consumer Confidence Rule2 records
COLIPHAGE1 record
Radium-2261 record
Revised Total Coliform Rule1 record
Gross Alpha1 record
Lead and Copper Rule1 record
Nitrate1 record

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