Port Angeles WWTP - Municipal Wastewater Treatment in Port Angeles, Washington

Port Angeles WWTP is a municipal wastewater treatment facility serving approximately 19,080 residents in Port Angeles, Washington. Situated on the Olympic Peninsula, the plant is part of the city's infrastructure managed by local authorities. As a US facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Washington State Department of Ecology. For a population of this scale, secondary treatment is typically required, with additional nutrient controls in sensitive watersheds. The plant's discharge likely enters the Strait of Juan de Fuca, which connects to the Pacific Ocean. This coastal environment supports diverse marine life, including salmon runs and orca populations, making treatment quality critical for ecosystem health.

The plant discharges into the Strait of Juan de Fuca, a major waterway connecting Puget Sound to the Pacific Ocean. This coastal region supports critical marine habitats, including kelp forests and spawning grounds for Pacific salmon. The area is ecologically sensitive due to its role in the broader Salish Sea ecosystem.