Overview
Stanley Mission Lagoon is a secondary treatment plant serving 1,700 people in Saskatchewan, Canada. It discharges 763.20 megaliters of treated wastewater annually into the local watershed.
Stanley Mission Lagoon is a wastewater treatment facility located in Unorganized Division No. 18, Saskatchewan, Canada. It serves a small community of approximately 1,700 residents and operates as a secondary treatment plant, which is typical for rural agglomerations in the province. The plant treats wastewater using a lagoon-based secondary process, which is common in cold-climate regions for its low operational complexity. Under Canadian federal and provincial regulations, secondary treatment is the minimum standard for municipal wastewater to reduce organic pollutants and suspended solids before discharge. The treated effluent is released into the local watershed, which ultimately drains into the Churchill River system. This river network flows eastward into Hudson Bay, supporting diverse aquatic life and providing water resources for downstream communities. The plant's location more than 50 km from the coast means its discharge has no direct marine impact.
Environmental context
The plant discharges into the Churchill River basin, a major watershed in northern Saskatchewan that drains into Hudson Bay. This river system supports fish species such as walleye and northern pike, and provides habitat for migratory waterfowl. The surrounding boreal forest ecosystem is sensitive to nutrient loading, making secondary treatment important for protecting downstream water quality.
Frequently asked questions
Stanley Mission Lagoon is located in Unorganized Division No. 18, Saskatchewan, Canada, along Highway 915.
The plant serves approximately 1,700 residents in the surrounding rural community.
The plant discharges treated effluent into the local watershed, which flows into the Churchill River system and eventually reaches Hudson Bay.
The plant provides secondary treatment, which is the standard required under Canadian federal regulations for municipal wastewater to reduce organic matter and suspended solids.
In Saskatchewan, wastewater treatment plants operate under the provincial Environmental Management and Protection Act and the federal Wastewater Systems Effluent Regulations, which mandate secondary treatment or equivalent for most facilities.
Nearby plants