Campement des Murailles Wastewater Treatment Plant, Havre-Saint-Pierre, Quebec

Campement des Murailles was a wastewater treatment plant located along Route de la Romaine 3 in Campement Mista, near Havre-Saint-Pierre, Quebec, Canada. It served a single person and operated as a secondary treatment facility before being decommissioned. The plant's small scale reflects its role as a remote, isolated facility in the Côte-Nord region. As a secondary treatment plant, it provided biological treatment to reduce organic matter and suspended solids. The plant discharged 286.00 m³ of treated wastewater. In Canada, wastewater treatment is regulated under the federal Wastewater Systems Effluent Regulations (WSER) and provincial environmental laws, which set standards for effluent quality. For such a small facility, the regulatory focus is on ensuring basic treatment and minimal environmental impact. Given its location in the Côte-Nord region, it likely discharged into a local watercourse draining into the Gulf of St. Lawrence. The area is ecologically sensitive, supporting diverse aquatic life and migratory fish species. The decommissioning of the plant suggests that wastewater management has been consolidated or the site is no longer in use.

The plant was located in the Côte-Nord region of Quebec, an area characterized by boreal forests and numerous rivers flowing into the Gulf of St. Lawrence. The receiving water body likely drains into the Gulf, which is a major estuary supporting diverse marine life, including fish, crustaceans, and marine mammals. The region is important for migratory birds and has sensitive coastal ecosystems. Even small discharges can affect local water quality, so proper treatment is essential.