Drinking Water Systems in Othello, Washington

21 water systems are reported for this city, with a combined service population of 20,517. The systems have 87 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving Othello

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)171 records
Nitrate49 records
Consumer Confidence Rule43 records
Fluoride41 records
Revised Total Coliform Rule28 records
Lead and Copper Rule20 records
Arsenic19 records
Cadmium17 records
Barium16 records
Chromium16 records

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