HAWARDEN STP - Secondary Wastewater Treatment Plant in Hawarden, Iowa

HAWARDEN STP is a municipal wastewater treatment plant located in Hawarden, Iowa, United States. The plant serves a population of 2,439 and provides secondary treatment, which is the standard level required under the US Clean Water Act for most municipal facilities. The plant has a designed capacity of 2536.22 and a current discharge volume of 643.52, indicating it operates well below its capacity. As a secondary treatment plant, it uses biological processes to remove organic matter and suspended solids before discharging treated effluent. The treated wastewater is discharged into a local water body that ultimately drains into the Missouri River watershed. The plant plays a key role in protecting downstream water quality and supporting the ecological health of the region's aquatic habitats.

The plant discharges into a tributary of the Missouri River, which flows into the Mississippi River and eventually the Gulf of Mexico. The local watershed supports diverse aquatic life and is part of a larger river system that provides critical habitat for fish and migratory birds. Protecting water quality in this basin is essential for maintaining downstream ecological balance.