City Hall
7121 East Loop Road
Stevenson, WA 98648
Mailing Address
PO Box 371
Stevenson, WA 98648
Phone: 509-427‑5970
After Hours: 509-427-9490
The City of Stevenson’s Waste Water Treatment Plant was upgraded in 1992 with a new Oxidation Ditch Facility and was designed for 0.450 Million Gallons per Day maximum monthly flow and a design population equivalency of 1,455.
The collections system consists of 490` connections, 5 pump stations, and approximately 45,000 feet of collection lines.