St Jacques 1 lagoon Wastewater Treatment Plant, Paroisse de Saint-Jacques, New Brunswick

St Jacques 1 lagoon is a municipal wastewater treatment facility located in Paroisse de Saint-Jacques, within the Edmundston area of Madawaska County, New Brunswick, Canada. The plant serves a population of 1,512 residents and operates as a lagoon system providing secondary treatment. As a secondary treatment plant, St Jacques 1 lagoon meets the typical Canadian standard for municipal wastewater treatment, which requires removal of biodegradable organic matter and suspended solids. The plant discharges an average of 679 cubic meters of treated wastewater per day. Canadian wastewater facilities are regulated under provincial and federal frameworks, including the Fisheries Act and provincial environmental protection acts. The treated effluent from St Jacques 1 lagoon is discharged into the local watershed, which ultimately drains into the Madawaska River and then the Saint John River. The Saint John River flows into the Bay of Fundy, a globally significant ecosystem known for its high tidal range and diverse marine life. The plant's operation helps protect downstream water quality in this important river system.

The plant discharges into the Madawaska River watershed, which flows into the Saint John River and eventually reaches the Bay of Fundy. The Bay of Fundy is an ecologically sensitive area supporting diverse aquatic life, including migratory fish species and marine mammals. Secondary treatment reduces organic pollutants and suspended solids, helping to maintain water quality in this downstream environment.