Station Ouest d'epuration des eaux usees - Québec Wastewater Treatment Plant

Station Ouest d'epuration des eaux usees is a major wastewater treatment facility located in Québec, Canada, serving the western sector of the city. The plant handles wastewater from a population of about 365,893, classifying it as a large agglomeration under Canadian and provincial standards. It is situated in the Sainte-Foy-Sillery-Cap-Rouge district, near the Québec City Jean Lesage International Airport. As a large-scale plant, it operates under Canada's Wastewater Systems Effluent Regulations (WSER) and Québec's provincial environmental laws, which require secondary treatment or equivalent for facilities of this size. The plant's designed capacity is 1.00 (likely in million cubic meters per day or similar unit), indicating substantial infrastructure to manage the region's wastewater. Operational status is confirmed, ensuring continuous service to the community. The plant's treated effluent is discharged into the St. Lawrence River watershed, which flows into the Gulf of St. Lawrence and ultimately the Atlantic Ocean. This river system supports diverse aquatic life, including fish species such as Atlantic salmon and sturgeon, and is an important migratory corridor for birds. The plant's performance is critical to protecting water quality in the St. Lawrence Estuary, a ecologically sensitive area.

The plant discharges into the St. Lawrence River watershed, which drains into the Gulf of St. Lawrence and the Atlantic Ocean. This region supports a rich ecosystem, including fish like Atlantic salmon and beluga whales, and serves as a vital migratory route for waterfowl. The plant's operations help maintain water quality in the St. Lawrence Estuary, which is ecologically sensitive due to its role in nutrient cycling and habitat provision.