usine d'épuration de Sainte Claire - Saint-Anselme, Québec Wastewater Treatment Plant

The usine d'épuration de Sainte Claire is a wastewater treatment plant located in Saint-Anselme, within the Bellechasse region of Québec, Canada. It serves a small community of approximately 3,082 residents, reflecting its role in managing local domestic wastewater. As a plant in Québec, it operates under the provincial Regulation respecting municipal wastewater treatment works (Q-2, r. 34.1), which sets effluent standards and monitoring requirements. For a plant of this scale, secondary treatment is typically required to protect receiving waters. The designed capacity is 1.00 million liters per day, indicating a facility sized for the local population. The plant discharges into the local watershed, which ultimately drains into the St. Lawrence River via the Chaudière River system. The St. Lawrence River is a major ecological corridor supporting diverse aquatic life, including fish species such as Atlantic sturgeon and American eel. Proper treatment helps maintain water quality in this sensitive downstream environment.

The plant's treated effluent flows into the Chaudière River watershed, which drains into the St. Lawrence River, a major waterway that empties into the Gulf of St. Lawrence. The St. Lawrence River supports a rich ecosystem, including migratory fish and diverse aquatic habitats. Effective wastewater treatment is crucial to prevent nutrient loading and protect downstream water quality in this ecologically significant river system.