Bellingham Post Point TP - Wastewater Treatment Plant in Bellingham, Washington

Bellingham Post Point TP is a municipal wastewater treatment facility serving the city of Bellingham, Washington, located in Whatcom County. The plant serves a population of about 90,453, placing it in the medium-to-large agglomeration category. Its address is 100 McKenzie Avenue, Fairhaven, Bellingham, Washington. As a U. S. 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 plant of this scale, secondary treatment is typically required, and the designed capacity is reported as 1.00 (likely million gallons per day or similar unit). The plant discharges treated wastewater into the waters near Bellingham Bay, part of the Salish Sea ecosystem. This coastal environment supports diverse marine life, including salmon, orcas, and shellfish. The plant's location within 50 km of the coast underscores the importance of effective treatment to protect marine water quality and public health.

The plant discharges into Bellingham Bay, which connects to the Strait of Georgia and the broader Salish Sea. This watershed supports critical habitats for Pacific salmon, forage fish, and marine mammals. The coastal location means treated effluent must meet stringent standards to prevent nutrient enrichment and protect shellfish beds and recreational waters.