Correctionville WWTP - Secondary Treatment Plant in Woodbury County, Iowa

Correctionville WWTP is a municipal wastewater treatment facility located in Woodbury County, Iowa, serving the community of Correctionville. The plant provides secondary treatment for a population of 821, with a designed capacity of 900.93 volume units and an average discharge volume of 776.01 units. As a secondary treatment plant, it meets the minimum requirements under the U.S. Clean Water Act for municipal wastewater treatment. The plant operates under the National Pollutant Discharge Elimination System (NPDES) permit program, which regulates discharges to surface waters. For small communities like Correctionville, secondary treatment is the standard to protect water quality. The treated effluent is discharged into local streams that flow into the Little Sioux River, a tributary of the Missouri River. The Missouri River eventually drains into the Mississippi River and the Gulf of Mexico. The plant plays a role in protecting the water quality of these downstream water bodies and the aquatic ecosystems they support.

The plant discharges into local waterways that are part of the Little Sioux River watershed, which flows into the Missouri River. The Missouri River is a major tributary of the Mississippi River, ultimately reaching the Gulf of Mexico. The region supports diverse aquatic life, including fish species such as catfish and walleye, and the plant's secondary treatment helps reduce nutrient and pollutant loads to these sensitive river systems.