AMENIA LAGOON Wastewater Treatment Plant, Amenia, North Dakota

AMENIA LAGOON is a municipal wastewater treatment facility located on Reed Street in Amenia, Cass County, North Dakota. It serves a small community of 94 residents, reflecting the rural character of the region. The plant operates under the regulatory framework of the US Clean Water Act, which governs wastewater discharges through the National Pollutant Discharge Elimination System (NPDES) permit program. The plant provides secondary treatment, a standard level required for most municipal facilities in the United States. Its designed capacity and discharge volume are both 37.85 units, indicating a balanced operation for the small population served. As a lagoon system, it likely uses natural biological processes to treat wastewater before discharge. The treated effluent is discharged into local waterways that drain into the Red River of the North basin, eventually reaching Lake Winnipeg in Canada. The plant plays a key role in protecting local water quality and downstream ecosystems in the Red River Valley.

The plant discharges into the Red River of the North watershed, which flows northward through North Dakota and Manitoba into Lake Winnipeg. This basin supports diverse aquatic life and is an important migratory corridor for birds. The region's flat terrain and agricultural land use make nutrient management critical to prevent eutrophication in downstream waters.