Site de traitement des eaux usees du secteur Grand Mere and St Georges de Champlain - Shawinigan, Quebec Wastewater Treatment Plant

The Site de traitement des eaux usees du secteur Grand Mere and St Georges de Champlain is a wastewater treatment facility located in Shawinigan, Quebec, Canada. It serves the Grand-Mere and St-Georges-de-Champlain sectors, treating wastewater for a population of about 15,055. The plant is operational and plays a key role in managing municipal wastewater in the Mauricie region. As a Canadian facility, the plant operates under provincial and federal regulations, including the Quebec Environment Quality Act and the Canadian Environmental Protection Act. For a community of this size, secondary treatment is typically required to meet effluent standards. It is expected to comply with regulatory requirements for its population tier. The plant discharges treated effluent into the Saint-Maurice River, which flows into the St. Lawrence River and eventually the Gulf of St. Lawrence. This watershed supports diverse aquatic life and is important for regional ecology and recreation. The plant's operations help protect downstream water quality in this sensitive river system.

The plant discharges into the Saint-Maurice River, a major tributary of the St. Lawrence River. The St. Lawrence River flows into the Gulf of St. Lawrence, a critical marine ecosystem. The Saint-Maurice River supports fish species such as walleye and brook trout, and its health is vital for the broader St. Lawrence watershed. The plant's effluent management helps maintain water quality in this ecologically significant river system.