Overview
LAFAYETTE STP serves approximately 4,820 residents in Lafayette, Tennessee, as part of the municipal wastewater infrastructure. The plant operates under U.S. EPA and state regulations for small communities.
LAFAYETTE STP is a municipal wastewater treatment plant located at 660 Bradley Hollow Road in Lafayette, Tennessee, within Macon County. The facility serves a population of about 4,820 people, placing it in the small community category under U.S. wastewater management frameworks. As a publicly owned treatment works (POTW), it is subject to the Clean Water Act and National Pollutant Discharge Elimination System (NPDES) permitting requirements. For plants of this scale in Tennessee, typical treatment includes secondary biological processes such as activated sludge or lagoon systems, designed to meet state and federal effluent limits. Small communities often utilize cost-effective technologies like aerated lagoons or sequencing batch reactors to achieve compliance. The plant discharges treated effluent into a local waterway within the Cumberland River basin, which ultimately flows to the Ohio River and then the Mississippi River. This watershed supports diverse aquatic life and provides drinking water for downstream communities. Proper treatment is essential to protect water quality in this ecologically sensitive region.
Environmental context
The plant's treated effluent enters a tributary of the Cumberland River, which flows into the Ohio River and then the Mississippi River before reaching the Gulf of Mexico. This watershed supports diverse aquatic species and provides habitat for migratory fish. The region's karst topography and agricultural land use make groundwater protection a key concern, requiring effective nutrient removal to prevent eutrophication in downstream reservoirs.
Frequently asked questions
LAFAYETTE STP is located at 660 Bradley Hollow Road in Lafayette, Tennessee, within Macon County in the Middle Tennessee region.
The plant serves approximately 4,820 residents, classifying it as a small community wastewater treatment facility under U.S. EPA guidelines.
The plant discharges treated effluent into a local waterway within the Cumberland River basin, which flows to the Ohio River and ultimately the Mississippi River.
As a U.S. facility, LAFAYETTE STP operates under the Clean Water Act and is required to have an NPDES permit issued by the Tennessee Department of Environment and Conservation, setting effluent limits for pollutants.
Small plants in Tennessee often use secondary treatment processes like aerated lagoons, activated sludge, or sequencing batch reactors to meet state and federal standards for BOD, TSS, and nutrients.
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