Overview
Columbia WWTP serves Maury County, Tennessee, treating wastewater for approximately 35,000 residents. The plant operates under U.S. EPA and Tennessee Department of Environment and Conservation regulations.
Columbia WWTP is a municipal wastewater treatment facility located in Maury County, Tennessee, serving a population of about 35,000. The plant is situated in Middle Tennessee, an inland region characterized by rolling hills and the Tennessee River basin. As a facility serving a medium-sized agglomeration, Columbia WWTP is subject to the U.S. Clean Water Act and National Pollutant Discharge Elimination System (NPDES) permitting. The Tennessee Department of Environment and Conservation (TDEC) oversees permits and compliance. For plants of this scale, secondary treatment is typically required, with additional nutrient removal in sensitive watersheds. The plant discharges treated effluent into local waterways that ultimately drain into the Tennessee River system, a major tributary of the Ohio and Mississippi Rivers. This watershed supports diverse aquatic life and provides drinking water for downstream communities. Proper treatment helps protect water quality in the ecologically significant Tennessee River basin.
Environmental context
Columbia WWTP discharges into the Tennessee River watershed, which flows through the southeastern United States before joining the Ohio River. The Tennessee River system supports a rich diversity of fish and mussel species, including several endemic and imperiled species. The plant's operations are critical for maintaining water quality in this ecologically sensitive basin, which also provides recreational and drinking water resources.
Frequently asked questions
Columbia WWTP is located at 1256 Treatment Plant Road in Maury County, Tennessee, United States, serving the city of Columbia and surrounding areas.
The plant serves approximately 35,122 residents, classifying it as a medium-sized municipal wastewater treatment facility.
The plant discharges treated effluent into local waterways that are part of the Tennessee River basin, ultimately flowing into the Ohio and Mississippi Rivers.
Columbia WWTP operates under the U.S. Clean Water Act and is regulated by the Tennessee Department of Environment and Conservation (TDEC) through an NPDES permit, which sets limits on effluent quality.
In the U.S., municipal plants of this scale typically provide secondary treatment (biological treatment) as a minimum, and may include advanced treatment for nutrient removal if discharging to sensitive waters.
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