Townsend Lagoon Wastewater Treatment Plant, Broadwater County, Montana

Townsend Lagoon is a municipal wastewater treatment facility located in Broadwater County, Montana, United States. The plant serves a population of around 2,010 residents, providing secondary treatment to manage domestic wastewater from the community. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater. With a designed capacity of 757.08 volume units and a discharge volume of 760.87, the facility is operating near its capacity. The treatment process involves lagoon-based systems typical for small communities in the region. The treated effluent is discharged into the local watershed, which ultimately drains into the Missouri River basin. This water body supports diverse aquatic life and is an important resource for recreation and agriculture in central Montana. The plant's operation helps protect downstream water quality and ecosystem health.

The plant discharges into the Missouri River basin, which flows into the Mississippi River and eventually the Gulf of Mexico. The receiving waters support a variety of fish species and provide habitat for migratory birds. The plant's secondary treatment helps reduce nutrient loading and protect aquatic ecosystems in the region.