Tower City Lagoon - Secondary Wastewater Treatment in Tower City, North Dakota

Tower City Lagoon serves the small community of Tower City in Cass County, North Dakota. This municipal wastewater facility provides secondary treatment for a population of 253, typical for rural communities in the region. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater. With a designed capacity of 75.71 cubic meters per day and a similar discharge volume, the facility is sized appropriately for its service population. As a lagoon system, it relies on natural biological processes to treat wastewater. The treated effluent is discharged into local waterways that ultimately drain into the Red River of the North, which flows northward into Lake Winnipeg in Canada. This watershed supports agricultural activities and provides habitat for fish and waterfowl in the Prairie Pothole Region.

The plant discharges into tributaries of the Red River of the North, which flows through the fertile Red River Valley into Lake Winnipeg. This watershed is part of the Prairie Pothole Region, an ecologically sensitive area that provides critical breeding habitat for migratory waterfowl and supports diverse aquatic life. The secondary treatment helps reduce nutrient loading and protect downstream water quality.