Overview
Carlisle WWTP serves the community of Carlisle, Arkansas, treating wastewater for a population of 2,214. The plant operates under the U.S. Clean Water Act framework.
Carlisle WWTP is a municipal wastewater treatment facility located in Carlisle, Arkansas, United States. It serves a population of approximately 2,214 residents, making it a small-scale treatment plant typical of rural communities in the region. The plant is situated near State Highway 13 in Lonoke County. As a U.S. facility, Carlisle WWTP operates under the regulatory framework of the Clean Water Act, administered by the Arkansas Department of Energy and Environment. Plants of this size are typically required to meet secondary treatment standards under the National Pollutant Discharge Elimination System (NPDES) permit program, ensuring that effluent quality protects receiving waters. The plant's treated effluent is discharged into local waterways that ultimately drain into the Arkansas River basin, a major tributary of the Mississippi River. This watershed supports diverse aquatic life and provides water for agricultural and recreational uses downstream.
Environmental context
The plant discharges into the Arkansas River basin, which flows into the Mississippi River and eventually the Gulf of Mexico. The local watershed supports a mix of agricultural and natural habitats, including wetlands and bottomland hardwood forests that provide critical ecosystem services such as flood control and water filtration.
Frequently asked questions
Carlisle WWTP is located at 805 State Highway 13 in Carlisle, Arkansas, United States. It serves the local community in Lonoke County.
Carlisle WWTP serves a population of 2,214 residents, typical of a small municipal wastewater treatment plant in rural Arkansas.
The plant discharges treated effluent into local waterways that flow into the Arkansas River basin, which ultimately drains into the Mississippi River and the Gulf of Mexico.
Carlisle WWTP operates under the U.S. Clean Water Act, with NPDES permits issued by the Arkansas Department of Energy and Environment. These permits set effluent limits to protect water quality.
For small communities in the U.S., secondary treatment is standard under the Clean Water Act. This typically involves biological processes to reduce organic matter and suspended solids before discharge.
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