Decherd STP - Secondary Wastewater Treatment Plant in Decherd, Tennessee

Decherd STP is a municipal wastewater treatment facility located in Decherd, Tennessee, a small town in Franklin County. The plant serves a population of approximately 2,246 residents, providing secondary treatment to meet state and federal water quality standards. The plant operates under the US Clean Water Act, which requires secondary treatment for municipal wastewater. With a designed capacity of 1,892.70 cubic meters per day and an average discharge volume of 794.94 cubic meters per day, the facility has capacity to accommodate future growth. Treatment processes are typical for a plant of this scale, focusing on biological treatment to reduce organic pollutants and suspended solids. The treated effluent is discharged to a local water body that ultimately drains into the Tennessee River system, part of the larger Mississippi River basin. This watershed supports diverse aquatic life and provides drinking water for downstream communities. The plant's compliance with NPDES permits helps protect water quality in this ecologically important region.

The plant discharges into a tributary of the Elk River, which flows into the Tennessee River and then the Mississippi River. This watershed supports diverse aquatic species and provides habitat for fish and wildlife. The Tennessee River basin is a critical water resource for the southeastern United States, and the plant's secondary treatment helps maintain water quality standards.