Indianola POTW - Municipal Wastewater Treatment Plant in Indianola, Mississippi

Indianola POTW is a publicly owned treatment works serving the city of Indianola, located in Sunflower County, Mississippi. The plant serves a population of about 11,438, placing it in the small-to-medium agglomeration category for US wastewater infrastructure. As a US facility, Indianola POTW operates under the National Pollutant Discharge Elimination System (NPDES) permit program, which is authorized by the Clean Water Act. The plant is required to meet secondary treatment standards as a minimum, with permit limits set by the Mississippi Department of Environmental Quality to protect water quality in the receiving water body. The plant discharges treated effluent into a local waterway within the Mississippi River basin. The downstream environment includes the Yazoo River and ultimately the Mississippi River, which supports diverse aquatic life and provides critical habitat for migratory fish species. Proper treatment at this plant helps maintain water quality in this ecologically significant river system.

Indianola POTW discharges into a tributary of the Yazoo River, which flows into the Mississippi River. The Mississippi River basin is one of the largest and most ecologically important watersheds in North America, supporting diverse fish populations, migratory birds, and wetland ecosystems. The plant's effluent must meet water quality standards to protect downstream aquatic life and recreational uses.