Overview
COLUMBIA STP serves approximately 3,944 people in Columbia, Kentucky. The plant discharges treated wastewater into local waterways, supporting the region's water quality management.
COLUMBIA STP is a municipal wastewater treatment plant located in Columbia, Adair County, Kentucky, serving a population of about 3,944 residents. The facility is part of the local infrastructure managed by the city, ensuring that domestic wastewater is treated before being released into the environment. As a small-scale treatment plant in the United States, COLUMBIA STP operates under the regulatory framework of the Clean Water Act, administered by the Kentucky Division of Water. Facilities of this size typically employ secondary treatment processes to meet National Pollutant Discharge Elimination System (NPDES) permit requirements, which set limits on effluent quality to protect receiving waters. The treated effluent from COLUMBIA STP is discharged into a local water body that ultimately drains into the Cumberland River basin. The Cumberland River flows through Kentucky and Tennessee, eventually reaching the Ohio River and then the Mississippi River. This watershed supports diverse aquatic life and provides water resources for communities downstream.
Environmental context
The plant's discharge enters a tributary of the Cumberland River, which flows into the Ohio River and then the Mississippi River, eventually reaching the Gulf of Mexico. The local watershed supports aquatic habitats and is used for recreation and water supply. Protecting water quality in this basin is important for the ecological health of the Cumberland River system.
Frequently asked questions
COLUMBIA STP is located at 2 Oak Street, Columbia, Adair County, Kentucky, United States.
COLUMBIA STP serves approximately 3,944 people in the Columbia area.
The plant discharges treated effluent into a local water body that is part of the Cumberland River basin, which flows into the Ohio River and ultimately the Mississippi River.
COLUMBIA STP operates under the U.S. Clean Water Act, with NPDES permits issued by the Kentucky Division of Water, which set effluent limits to protect water quality.
Plants of this size typically use secondary treatment processes, such as activated sludge or trickling filters, to meet federal and state standards for organic matter and solids removal.
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