Glenwood WWTP - Wastewater Treatment Plant in Glenwood, Iowa, United States

Glenwood WWTP is a municipal wastewater treatment facility located at 655 Railroad Avenue in Glenwood, Mills County, Iowa. The plant serves a population of about 5,358 people, classifying it as a small to medium agglomeration under U.S. regulatory frameworks. As a U.S. facility, Glenwood WWTP operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Iowa Department of Natural Resources. The plant's treated effluent discharges into local streams that flow into the Missouri River, a major tributary of the Mississippi River system. This watershed supports diverse aquatic life and provides water for agricultural and municipal uses downstream. The plant plays a key role in protecting water quality in the region.

Glenwood WWTP discharges into local waterways that drain into the Missouri River, which flows south to join the Mississippi River and eventually the Gulf of Mexico. The Missouri River basin supports a variety of fish species and migratory birds, making water quality management critical for ecological health. The plant's operations help reduce nutrient and pathogen loads, protecting downstream aquatic habitats.