Lansing WWTP - Secondary Wastewater Treatment in Allamakee County, Iowa

Lansing WWTP is a municipal wastewater treatment plant located in Lansing Township, Allamakee County, Iowa, United States. The facility serves a small population of around 995 residents, reflecting its role in a rural community along the Mississippi River. The plant provides secondary treatment, which is the standard level required under the U.S. Clean Water Act for municipal wastewater. With a designed capacity of 1514.16 megaliters per year and an actual discharge volume of 908.50 megaliters per year, the plant operates well within its capacity. As a U.S. facility, it operates under a National Pollutant Discharge Elimination System (NPDES) permit issued by the Iowa Department of Natural Resources, ensuring compliance with federal water quality standards. The treated effluent is discharged into the Upper Mississippi River basin, which flows southward to the Gulf of Mexico. The Mississippi River is a major ecological corridor supporting diverse aquatic life and migratory birds. The plant's secondary treatment helps protect water quality in this nationally significant river system.

The plant discharges into the Upper Mississippi River basin, part of the vast Mississippi River system that drains into the Gulf of Mexico. This watershed supports a rich diversity of fish, mussels, and waterfowl, and is an important migratory route for birds. The secondary treatment provided by the plant helps reduce nutrient and pollutant loads, contributing to the ecological health of the river and downstream waters.