Overview
Site de traitement des eaux usees du secteur Shawinigan is a municipal wastewater treatment plant in Shawinigan, Quebec, Canada, serving approximately 22,129 people. It operates under Canadian federal and provincial regulations for wastewater managem
Site de traitement des eaux usees du secteur Shawinigan is a municipal wastewater treatment facility located in Shawinigan, Quebec, Canada. The plant serves a population of approximately 22,129 residents, classifying it as a medium-sized agglomeration under Canadian wastewater management frameworks. It is situated in the Mauricie region, along the Autoroute de l'Énergie. As an operational plant, it is subject to the Canadian Environmental Protection Act and Quebec's Regulation respecting municipal wastewater treatment works. For agglomerations of this scale, secondary treatment is typically required to reduce organic matter and suspended solids before discharge. The plant's treatment processes align with provincial standards to protect receiving water quality. The plant discharges treated effluent into the Saint-Maurice River, which flows into the St. Lawrence River and eventually the Atlantic Ocean. The Saint-Maurice River supports diverse aquatic life and is an important migratory corridor for fish species. The plant's operation helps maintain water quality in this ecologically significant watershed.
Environmental context
The plant discharges into the Saint-Maurice River, a major tributary of the St. Lawrence River, which drains into the Gulf of St. Lawrence and the Atlantic Ocean. This watershed supports diverse aquatic ecosystems, including fish populations such as walleye and lake sturgeon, and provides habitat for migratory birds. The plant's treatment helps mitigate nutrient loading and protect downstream water quality in this ecologically sensitive region.
Frequently asked questions
The plant is located along Autoroute de l'Énergie in Shawinigan, Quebec, Canada, in the Mauricie region.
The plant serves approximately 22,129 residents in the Shawinigan area.
The plant discharges treated effluent into the Saint-Maurice River, which flows into the St. Lawrence River and eventually the Atlantic Ocean.
The plant operates under Canada's federal Canadian Environmental Protection Act and Quebec's Regulation respecting municipal wastewater treatment works, which set standards for effluent quality and treatment levels.
In Canada, plants serving medium-sized agglomerations like this typically employ secondary treatment to reduce biochemical oxygen demand and total suspended solids, meeting federal and provincial effluent quality standards.
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