North Bend Treatment Plant, North Bend

Overview

North Bend Treatment Plant serves approximately 5,830 residents in North Bend, Washington. It operates under the U.S. Clean Water Act, ensuring treated wastewater meets federal and state standards before discharge.

The North Bend Treatment Plant is a municipal wastewater facility located in North Bend, Washington, a city in King County within the Snoqualmie River Valley. Serving a population of about 5,830, the plant is part of the region's infrastructure supporting this growing community in the Pacific Northwest. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater plants of this scale. The National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Washington State Department of Ecology, governs discharge limits and monitoring to protect water quality. The plant's treated effluent is discharged into the Snoqualmie River watershed, which flows into the Snohomish River and eventually into Puget Sound. This river system supports diverse aquatic life, including salmon runs, and the plant's operations are critical to maintaining water quality in this ecologically sensitive region.

Environmental context

The North Bend Treatment Plant discharges into the Snoqualmie River, a key tributary of the Snohomish River, which flows into Puget Sound. This watershed supports critical salmonid habitats, including Chinook and coho salmon, and is part of a larger estuarine ecosystem. The plant's effluent quality directly affects downstream aquatic life and recreational uses.

Frequently asked questions

The North Bend Treatment Plant is located on Bendigo Boulevard North in North Bend, Washington, within King County.

The plant serves approximately 5,830 residents in the city of North Bend and surrounding areas.

The plant discharges treated effluent into the Snoqualmie River, which flows into the Snohomish River and ultimately into Puget Sound.

The plant operates under the U.S. Clean Water Act, with discharge permits issued by the Washington State Department of Ecology through the National Pollutant Discharge Elimination System (NPDES).

For municipal plants of this size, secondary treatment is standard under the Clean Water Act, which typically involves biological processes to reduce organic matter and suspended solids.