Lincoln City STP - Municipal Wastewater Treatment in Lincoln City, Oregon

Lincoln City STP is a municipal wastewater treatment facility serving the coastal community of Lincoln City, Oregon. With a population served of about 17,984, it is classified as a medium-sized agglomeration. The plant is situated near the Pacific Ocean, less than 50 km from the coast, and its operations are subject to federal and state environmental regulations. Plants of this scale in the United States typically provide secondary treatment as required by the Clean Water Act. The facility's designed capacity is 1.00 million gallons per day, indicating it is sized to handle the community's wastewater needs. Regulatory oversight is provided by the Oregon Department of Environmental Quality under the National Pollutant Discharge Elimination System (NPDES) permit program. The plant's treated effluent is discharged into local waterways that ultimately drain to the Pacific Ocean. This coastal location necessitates careful management to protect marine ecosystems, including nearshore habitats and water quality. The facility plays a key role in safeguarding the health of the region's coastal waters and supporting the local environment.

The plant discharges into streams that flow to the Pacific Ocean, a major marine ecosystem supporting diverse aquatic life, including salmon and other migratory species. The coastal watershed is ecologically sensitive, with estuaries and nearshore habitats that benefit from effective wastewater treatment to prevent nutrient loading and contamination.