Overview
Chapel Hill STP is a secondary treatment plant serving approximately 1,182 residents in Chapel Hill, Tennessee. It discharges treated wastewater into local waterways under US EPA NPDES regulations.
Chapel Hill STP is a municipal wastewater treatment facility located in Chapel Hill, Tennessee, serving a small community of about 1,182 people. The plant is situated in Marshall County within the Middle Tennessee region, an area characterized by rolling hills and a humid subtropical climate. The facility provides secondary treatment, which is the standard level required by the US Clean Water Act for municipal plants of this scale. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The plant has a designed capacity of 643.52 thousand gallons per day and currently discharges an average of 325.55 thousand gallons per day, indicating operational headroom. Treated effluent from the plant is discharged into local streams that are part of the Tennessee River basin. The Tennessee River system supports diverse aquatic life and provides drinking water for millions downstream. The plant's operations are regulated under the National Pollutant Discharge Elimination System (NPDES) permit program, ensuring compliance with water quality standards.
Environmental context
The plant discharges into tributaries of the Tennessee River, which flows into the Ohio River and ultimately the Mississippi River to the Gulf of Mexico. This watershed supports a variety of fish and wildlife, including several species of freshwater mussels and migratory birds. The region's karst topography means groundwater resources are also sensitive to contamination, making proper treatment essential.
Frequently asked questions
Chapel Hill STP is located in Chapel Hill, Tennessee, United States, along Nashville Highway near the Bufford Ellington Golf Course.
The plant serves approximately 1,182 residents in the Chapel Hill area.
The plant discharges treated effluent into local streams that are part of the Tennessee River basin, ultimately reaching the Gulf of Mexico.
The plant provides secondary treatment, which is the standard required by the US Clean Water Act for municipal wastewater facilities.
The plant operates under the US Clean Water Act and is regulated by an NPDES permit, which sets limits on pollutant discharges to protect water quality.
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