Overview
Les etangs aeres is an operational wastewater treatment plant in Sainte-Julienne, Quebec, Canada, serving approximately 10,952 people. It treats municipal wastewater from the Lanaudière region.
Les etangs aeres is a municipal wastewater treatment plant located in Sainte-Julienne, Quebec, Canada. The plant serves a population of about 10,952 residents in the Montcalm Regional County Municipality within the Lanaudière administrative region. As an operational facility, it plays a key role in managing wastewater from this growing community. The plant operates under Quebec's environmental regulations, which align with Canada's federal wastewater standards. The regulatory framework ensures that effluent quality meets provincial discharge criteria to protect receiving waters. The treated effluent from the plant is discharged into local waterways that drain into the L'Assomption River, a tributary of the St. Lawrence River. The St. Lawrence River is a major ecological corridor in eastern Canada, supporting diverse aquatic life and serving as a critical freshwater resource. The plant's operations contribute to safeguarding water quality in this important watershed.
Environmental context
The plant discharges into the L'Assomption River watershed, which flows into the St. Lawrence River near Montreal. The St. Lawrence River is a major waterway that supports diverse fish species, including Atlantic sturgeon and American eel, and provides habitat for migratory birds. Protecting water quality in this basin is essential for downstream ecosystems and human uses such as drinking water and recreation.
Frequently asked questions
Les etangs aeres is located on Chemin de la Grande Ligne in Sainte-Julienne, Quebec, Canada, within the Montcalm Regional County Municipality in the Lanaudière region.
The plant serves approximately 10,952 people in the Sainte-Julienne area, classifying it as a medium-sized agglomeration under Quebec's wastewater management framework.
The treated effluent is discharged into local watercourses that flow into the L'Assomption River, a tributary of the St. Lawrence River. The discharge is regulated under Quebec's environmental laws to ensure compliance with water quality standards.
The plant operates under Quebec's Regulation respecting municipal wastewater treatment works and Canada's Wastewater Systems Effluent Regulations, which set national standards for effluent quality to protect fish habitat and human health.
For communities of this size in Canada, secondary treatment is standard, often using aerated lagoons or activated sludge processes. This level of treatment removes organic matter and suspended solids to meet federal and provincial discharge limits.
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