Lake Park WWTP - Secondary Treatment Plant in Dickinson County, Iowa

Lake Park WWTP is a municipal wastewater treatment facility located in Dickinson County, Iowa, serving a population of approximately 1,450 residents. The plant provides secondary treatment, a standard level for small communities in the United States, ensuring compliance with Clean Water Act requirements. With a designed capacity of 1,067.48 thousand cubic meters, the plant operates at about 67% capacity, indicating room for future growth. As a secondary treatment plant, Lake Park WWTP utilizes biological processes to remove organic matter and suspended solids. The plant is regulated under the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Iowa Department of Natural Resources. This permit sets effluent limits to protect water quality in the receiving water body. The treated effluent from Lake Park WWTP is discharged into local waterways that drain into the Missouri River basin. The plant plays a crucial role in protecting downstream aquatic ecosystems and maintaining water quality in the region's lakes and streams, which support diverse wildlife and recreational activities.

The plant discharges into a tributary of the Little Sioux River, which flows into the Missouri River and eventually the Mississippi River. The surrounding watershed includes numerous glacial lakes and wetlands that provide habitat for waterfowl and fish species. Protecting this aquatic environment is essential for maintaining biodiversity and supporting local recreation and tourism.