Station d epuration Wastewater Treatment Plant, La Présentation, Québec

Station d epuration is a municipal wastewater treatment plant located in La Présentation, within the Les Maskoutains region of Montérégie, Québec, Canada. The plant serves a small community of 914 residents, providing secondary treatment to ensure environmental compliance. As a secondary treatment facility, Station d epuration meets the standard requirements for Canadian wastewater systems under provincial regulations. For small agglomerations like this, secondary treatment is typical to reduce organic matter and suspended solids before discharge. The plant's discharge volume is 410.30, reflecting its scale. The treated effluent from Station d epuration is discharged into local waterways that eventually drain into the St. Lawrence River, a major water body flowing into the Gulf of St. Lawrence and the Atlantic Ocean. The plant plays a key role in protecting the downstream aquatic ecosystem, including fish habitats and water quality in the broader St. Lawrence watershed.

The plant discharges into local streams that flow into the Richelieu River, a tributary of the St. Lawrence River. The St. Lawrence River supports diverse aquatic life, including fish species such as Atlantic salmon and lake sturgeon, and is an important migratory corridor. The plant's secondary treatment helps reduce nutrient loading and protect downstream water quality in this ecologically significant watershed.