WALNUT POTW - Advanced Wastewater Treatment in Walnut, Mississippi

WALNUT POTW is a municipal wastewater treatment facility located in Walnut, Tippah County, Mississippi, United States. The plant serves a small population of 754 residents, reflecting the rural character of the area. It operates under the regulatory framework of the U.S. Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for all point source discharges. The plant provides advanced treatment, which goes beyond secondary treatment to remove additional nutrients and contaminants. Its designed capacity is 681.37 cubic meters per day, and the current discharge volume is 378.54 cubic meters per day, indicating operational headroom. Advanced treatment typically includes biological nutrient removal or filtration. The treated effluent is discharged into local waterways that drain into the Hatchie River basin, ultimately reaching the Mississippi River and the Gulf of Mexico. The plant's advanced treatment helps protect downstream water quality in this ecologically sensitive region, which supports diverse aquatic life and is part of the larger Mississippi River watershed.

The plant discharges into local streams that flow into the Hatchie River, a tributary of the Mississippi River. The Mississippi River basin is one of the largest in North America, draining into the Gulf of Mexico. The region supports diverse aquatic ecosystems, including fish and migratory birds. Advanced treatment at this plant helps reduce nutrient loading, which is critical for mitigating hypoxia in the Gulf of Mexico.