Overview
Rainy River First Nation Lagoon is a secondary treatment plant serving 100 people in Border, Minnesota. It discharges 45.00 cubic meters of treated wastewater daily into the local watershed.
Rainy River First Nation Lagoon is a wastewater treatment facility located in Border, Koochiching County, Minnesota, near the Canada-United States border. The plant serves a small population of 100 people and operates with secondary treatment, a standard level for small communities in the region. The plant's treatment process uses lagoon-based technology, which is common for small-scale facilities in rural Minnesota. As a secondary treatment plant, it meets the requirements of the US Clean Water Act, which mandates secondary treatment for municipal wastewater discharges to protect water quality. The treated effluent is discharged into the Rainy River watershed, which flows into the Lake of the Woods and ultimately into Hudson Bay. The plant plays a key role in protecting the local aquatic environment, including downstream fisheries and recreational waters.
Environmental context
The plant discharges into the Rainy River basin, which drains into Lake of the Woods and then via the Winnipeg River into Lake Winnipeg and Hudson Bay. The watershed supports diverse aquatic life, including walleye and northern pike, and is an important migratory corridor for waterfowl. Protecting water quality in this basin is critical for downstream ecosystems and indigenous communities.
Frequently asked questions
The plant is located in Border, Koochiching County, Minnesota, near the Canada-United States border along Minnesota State Highway 11.
The plant serves a small community of approximately 100 people.
The plant discharges treated effluent into the Rainy River watershed, which flows into Lake of the Woods and eventually reaches Hudson Bay.
The plant provides secondary treatment, which is the standard required by the US Clean Water Act for municipal wastewater discharges.
Plants in Minnesota operate under the US Clean Water Act, with National Pollutant Discharge Elimination System (NPDES) permits issued by the Minnesota Pollution Control Agency. Secondary treatment is typically required for facilities of this scale.