Etangs Aerés Acadie Wastewater Treatment Plant, Saint-Jean-sur-Richelieu, Quebec

Etangs Aerés Acadie is a wastewater treatment plant located in the L'Acadie sector of Saint-Jean-sur-Richelieu, Quebec, Canada. The plant serves a small population of 831 residents and operates under secondary treatment standards, ensuring effective removal of organic matter and suspended solids. The plant's treatment process meets the requirements of Canadian federal and provincial regulations, which mandate secondary treatment for communities of this size. The facility discharges an average of 373 cubic meters of treated wastewater per day, aligning with the scale of the population served. The treated effluent is released into the local watershed, which ultimately drains into the Richelieu River and then into the St. Lawrence River. This waterway supports diverse aquatic life and is an important migratory corridor for fish species. The plant's operations help protect downstream water quality in this ecologically sensitive region.

The plant discharges into the Richelieu River watershed, which flows northward into the St. Lawrence River. The St. Lawrence River is a major waterway that supports a variety of fish species and provides habitat for migratory birds. The region's aquatic ecosystems benefit from the plant's secondary treatment, which reduces nutrient and pollutant loads.