Overview
Station d'épuration des eaux usées serves Saint-Jean-sur-Richelieu, Quebec, Canada, treating wastewater for approximately 137,000 people. The plant is operational and discharges into the Richelieu River watershed.
Station d'épuration des eaux usées is a municipal wastewater treatment plant located in Saint-Jean-sur-Richelieu, Quebec, Canada. It serves a population of approximately 137,000, making it a large agglomeration under Canadian and provincial regulations. The plant is situated in the Montérégie region, near the Richelieu River. As a large-scale facility in Quebec, the plant is expected to meet provincial treatment standards under the Quebec Environment Quality Act and the Canadian Wastewater Systems Effluent Regulations. These regulations typically require secondary treatment or equivalent for plants of this size to protect receiving waters. The plant's designed capacity is 1.00 (likely in million cubic meters per day or similar unit), indicating significant infrastructure. The plant's treated effluent discharges into the Richelieu River, which flows northward into the St. Lawrence River near Sorel-Tracy. The St. Lawrence River is a major waterway that drains into the Gulf of St. Lawrence and the Atlantic Ocean. The Richelieu River supports diverse aquatic life and is an important migratory corridor for fish species.
Environmental context
The plant discharges into the Richelieu River, a tributary of the St. Lawrence River. The Richelieu River flows through agricultural and urban areas before joining the St. Lawrence, which ultimately reaches the Gulf of St. Lawrence. The watershed supports diverse aquatic ecosystems, including fish spawning grounds and migratory bird habitats. Effective treatment is crucial to prevent nutrient loading and protect downstream water quality.
Frequently asked questions
The plant is located on Chemin Saint-André in Saint-Luc, Saint-Jean-sur-Richelieu, Quebec, Canada, in the Montérégie region.
The plant serves approximately 137,177 people, classifying it as a large agglomeration under Canadian wastewater regulations.
Treated effluent is discharged into the Richelieu River, which flows into the St. Lawrence River and eventually the Gulf of St. Lawrence.
The plant operates under the Canadian Wastewater Systems Effluent Regulations and Quebec's Environment Quality Act, which mandate treatment standards for large facilities.
Plants of this scale in Canada typically require secondary treatment or equivalent to meet federal effluent quality standards, protecting receiving waters.
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