Drinking Water Systems in Kelso, Washington

7 water systems are reported for this city, with a combined service population of 31,880. The systems have 49 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving Kelso

EPA Contaminant Categories in Historical Violation Records

Benzene30 records
Pentachlorophenol24 records
CHLOROBENZENE18 records
Tetrachloroethylene (PCE)18 records
Vinyl chloride18 records
o-Dichlorobenzene18 records
Styrene18 records
Carbon tetrachloride18 records
Toluene18 records
Trichloroethylene (TCE)18 records

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