Traitement eaux usees - Saint-Isidore, Quebec Wastewater Treatment Plant

Traitement eaux usees is a municipal wastewater treatment plant located in Saint-Isidore, a small community in the Montérégie region of Quebec, Canada. The plant serves a population of 1,621 and operates under secondary treatment, which is appropriate for small agglomerations in Canada. The plant provides secondary treatment, a standard biological process that removes organic matter and suspended solids. With a daily discharge volume of 728.00 cubic meters, it meets the requirements for small-scale facilities under Canadian wastewater regulations. The plant is operational and contributes to local water quality management. The treated effluent is discharged into the local watershed, which drains into the St. Lawrence River via the Châteauguay River system. This river is ecologically important, supporting diverse aquatic life and serving as a migratory corridor for fish species. The plant's treatment helps protect downstream water quality in the St. Lawrence River and the Gulf of St. Lawrence.

The plant discharges into the Châteauguay River watershed, which flows into the St. Lawrence River near Montreal. The St. Lawrence River is a major waterway that drains into the Gulf of St. Lawrence, a critical marine ecosystem. The plant's secondary treatment reduces organic pollutants, protecting aquatic habitats and supporting biodiversity in the river and downstream estuary.