Campement du Mista Wastewater Treatment Plant, Lac-Jérôme, Québec

Campement du Mista is a wastewater treatment plant located at Route de la Romaine 3 in Lac-Jérôme, within the Minganie region of Québec, Canada. The facility provides secondary treatment for the local community and is currently operational. The plant operates under Québec's environmental regulations, which align with the federal Canadian Environmental Protection Act. Secondary treatment is the standard for municipal wastewater in Canada, ensuring removal of biodegradable organic matter and suspended solids before discharge. The treated effluent from Campement du Mista is discharged into the local watershed, which ultimately drains into the Gulf of St. Lawrence. This coastal ecosystem supports diverse marine life and is an important area for fisheries and migratory birds.

The plant discharges into the Romaine River watershed, which flows into the Gulf of St. Lawrence. This region is ecologically sensitive, supporting Atlantic salmon populations and other aquatic species. The Gulf of St. Lawrence is a major estuary that influences marine biodiversity along Canada's Atlantic coast.