Drinking Water Systems in Kennewick, Washington

14 water systems are reported for this city, with a combined service population of 126,244. The systems have 82 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving Kennewick

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)76 records
Nitrate49 records
Benzene22 records
Consumer Confidence Rule18 records
Arsenic18 records
Pentachlorophenol13 records
Lead and Copper Rule13 records
1,2,4-Trichlorobenzene12 records
Tetrachloroethylene (PCE)12 records
Vinyl chloride12 records

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