Overview
DUNLAP STP serves approximately 4,800 residents in Dunlap, Tennessee. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater facilities.
DUNLAP STP is a municipal wastewater treatment plant located in Dunlap, Tennessee, within Sequatchie County. The facility serves a population of approximately 4,800 people, placing it in the small-to-medium agglomeration category under U.S. regulatory frameworks. As a U.S. facility, DUNLAP STP operates under the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Tennessee Department of Environment and Conservation. The Clean Water Act mandates secondary treatment for municipal plants of this scale, ensuring effective removal of organic matter and suspended solids before discharge. The plant's treated effluent is discharged into a local waterway within the Tennessee River basin, which ultimately drains into the Ohio River and then the Mississippi River. The surrounding watershed supports diverse aquatic life and provides water resources for communities downstream.
Environmental context
DUNLAP STP discharges into a tributary of the Tennessee River, which flows into the Ohio River and then the Mississippi River before reaching the Gulf of Mexico. The local watershed in Sequatchie County includes karst topography and sensitive aquatic habitats that benefit from regulated wastewater treatment to maintain water quality and ecosystem health.
Frequently asked questions
DUNLAP STP is located on Highpoint Drive in Dunlap, Tennessee, within Sequatchie County in the Middle Tennessee region.
DUNLAP STP serves approximately 4,800 residents in the Dunlap area.
DUNLAP STP discharges treated effluent into a local waterway that flows into the Tennessee River basin, part of the larger Mississippi River watershed.
DUNLAP STP operates under the U.S. Clean Water Act, with NPDES permits issued by the Tennessee Department of Environment and Conservation, requiring secondary treatment for municipal wastewater.
For small-to-medium agglomerations in the U.S., secondary treatment is standard, involving biological processes to reduce organic matter and suspended solids, as required by EPA regulations.
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