etangs aeres Wastewater Treatment Plant, Lavaltrie, Quebec

The etangs aeres wastewater treatment plant is located in Lavaltrie, Quebec, Canada, serving a population of about 11,937. This facility is part of the municipal wastewater infrastructure for the Lanaudière region, situated along the Saint Lawrence River corridor. As a Canadian plant in Quebec, it operates under provincial environmental regulations enforced by the Ministère de l'Environnement et de la Lutte contre les changements climatiques (MELCC). For a community of this size, typical treatment involves secondary biological processes to meet effluent standards. The plant's operational status is active, ensuring continuous treatment of local wastewater. The treated effluent is discharged into the Saint Lawrence River system, which flows northeast into the Gulf of Saint Lawrence and ultimately the Atlantic Ocean. This river is a major ecological corridor supporting diverse aquatic life, including fish species such as sturgeon and salmon. The plant plays a key role in protecting water quality in this important watershed.

The plant discharges into the Saint Lawrence River, a major waterway that drains the Great Lakes and flows into the Gulf of Saint Lawrence. This river supports a rich ecosystem, including migratory fish and waterfowl. The downstream environment includes the Saint Lawrence Estuary, a critical habitat for marine mammals like beluga whales. Protecting water quality here is essential for maintaining biodiversity and the health of the broader Atlantic ecosystem.