Drinking Water Systems in STEVENSON, Washington

4 water systems are reported for this city, with a combined service population of 5,292. The systems have 2 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving STEVENSON

STEVENSON WATER DEPT

4,702 served64 historical records2 recent
B

HOME VALLEY WATER DISTRICT

500 served50 historical records
A

JOHNSTON, JAMES W

28 served26 historical records
A

MAPLE HILL WATER SERVICES

62 served21 historical records
A

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)48 records
Total Trihalomethanes (TTHMs)5 records
Haloacetic Acids (HAA5)5 records
Consumer Confidence Rule5 records
Nitrate5 records
1,2-Dichloroethane3 records
Toluene3 records
1,2-Dichloropropane3 records
Chloramine3 records
CHLOROBENZENE3 records

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