Woodburn POTW | Wastewater Treatment Plant Serving Woodburn, Oregon

Woodburn POTW is a municipal wastewater treatment facility located in Woodburn, Oregon, serving a population of about 22,500. The plant is situated inland, more than 50 kilometers from the coast, and discharges treated effluent into the local watershed. As a U.S. facility, Woodburn POTW operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Oregon Department of Environmental Quality. For a plant serving a medium-sized agglomeration, secondary treatment is typically required, with possible additional nutrient removal to protect sensitive water bodies. The plant's treated effluent flows into the Pudding River, a tributary of the Willamette River, which eventually drains into the Columbia River and the Pacific Ocean. The Willamette River basin supports diverse aquatic life, including salmon runs, and is a critical water resource for the region.

Woodburn POTW discharges into the Pudding River, a tributary of the Willamette River, which flows into the Columbia River and ultimately the Pacific Ocean. The Willamette River basin is ecologically significant, supporting salmon and steelhead runs, and is designated as a critical habitat for several species. The plant's discharge must meet strict water quality standards to protect these downstream ecosystems.