Overview
Station d'épuration Rimouski est is a municipal wastewater treatment plant serving approximately 37,861 people in Rimouski, Québec, Canada. It is located within 50 km of the coast and discharges into the St. Lawrence River watershed.
Station d'épuration Rimouski est is a municipal wastewater treatment facility serving the eastern sector of Rimouski, a city in the Bas-Saint-Laurent region of Québec, Canada. The plant treats wastewater from an estimated population of 37,861, placing it in the medium-agglomeration category under Canadian and provincial regulations. As an operational plant, it is subject to Québec's environmental quality standards and the Canadian Fisheries Act, which governs wastewater effluent quality. Plants of this scale in Québec typically employ secondary treatment or equivalent to meet federal and provincial discharge criteria. The plant's treated effluent ultimately reaches the St. Lawrence River, one of North America's major waterways, which flows into the Gulf of St. Lawrence and the Atlantic Ocean. The St. Lawrence River supports diverse aquatic life, including fish species such as Atlantic salmon and sturgeon, and is an important migratory corridor for birds.
Environmental context
The plant discharges into the St. Lawrence River watershed, which drains into the Gulf of St. Lawrence and the North Atlantic Ocean. This region supports ecologically sensitive habitats, including estuarine zones that serve as nursery grounds for fish and feeding areas for marine mammals. The river's health is critical for both local biodiversity and downstream ecosystems.
Frequently asked questions
The plant is located in Rimouski-Est, Rimouski, in the Bas-Saint-Laurent region of Québec, Canada.
The plant serves approximately 37,861 people, classifying it as a medium-sized municipal wastewater treatment facility.
The plant discharges treated wastewater into the St. Lawrence River, which flows into the Gulf of St. Lawrence and the Atlantic Ocean.
The plant operates under the Canadian Fisheries Act and Québec's environmental regulations, which require effluent quality standards for municipal wastewater. Plants of this scale typically need secondary treatment or equivalent.
In Canada, municipal plants serving populations around 38,000 generally employ secondary treatment processes, such as activated sludge or biological filtration, to meet federal and provincial discharge limits.
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