Dalhousie Wastewater Treatment Plant - Paroisse de Dalhousie, New Brunswick, Canada

The Dalhousie Wastewater Treatment Plant is a municipal facility located in Paroisse de Dalhousie, part of the Ville de la Baie-des-Hérons in Restigouche County, New Brunswick, Canada. It serves a population of 4,346 residents and is classified as a small agglomeration under Canadian wastewater management frameworks. As a Canadian facility, the plant operates under provincial and federal regulations, including the Fisheries Act and the Wastewater Systems Effluent Regulations (WSER), which set national standards for effluent quality. For small communities like Dalhousie, primary or secondary treatment is typically required to protect receiving waters. The plant's designed capacity is 1.00 million liters per day, indicating a modest scale appropriate for its population. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Baie des Chaleurs, a part of the Gulf of St. Lawrence. This coastal environment supports diverse marine life, including fish stocks and migratory birds, making proper treatment essential for ecological health.

The plant discharges into the Baie des Chaleurs, a large estuary connected to the Gulf of St. Lawrence. This coastal ecosystem supports important fisheries, including Atlantic salmon and lobster, and serves as a migratory corridor for seabirds. The watershed is influenced by tidal flows and seasonal freshwater inputs, requiring careful management of nutrient and pathogen loads to maintain water quality.