Overview
Chidester WWTP is a secondary treatment facility serving 287 people in Ouachita County, Arkansas. It discharges 113.56 megaliters of treated wastewater annually, operating under U.S. EPA NPDES regulations.
Chidester WWTP is a municipal wastewater treatment plant located in Ouachita County, Arkansas, serving a small population of 287 residents. The facility provides secondary treatment, a standard level for small communities under the U.S. Clean Water Act. The plant has a designed capacity of 151.42 megaliters and discharges approximately 113.56 megaliters of treated wastewater annually. As a U.S. facility, it operates under the National Pollutant Discharge Elimination System (NPDES) permit program, which sets effluent limits to protect water quality. The treated effluent is discharged into local waterways that drain into the Ouachita River basin, eventually reaching the Mississippi River and the Gulf of Mexico. The plant plays a role in maintaining water quality in this inland watershed, supporting downstream aquatic ecosystems.
Environmental context
The plant discharges into the Ouachita River basin, which flows southward through Arkansas and Louisiana before joining the Mississippi River. The Ouachita River supports diverse aquatic life, including fish and mussel species, and provides habitat for migratory birds. The plant's secondary treatment helps reduce nutrient and organic pollutant loads, protecting downstream water quality in this ecologically sensitive river system.
Frequently asked questions
Chidester WWTP is located in Ouachita County, Arkansas, United States, serving the small community of Chidester.
The plant serves a population of 287 people, typical of a small rural wastewater treatment facility.
The plant discharges treated effluent into local waterways within the Ouachita River basin, which ultimately flows to the Mississippi River and the Gulf of Mexico.
As a U.S. facility, Chidester WWTP operates under the Clean Water Act and is regulated by the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Arkansas Department of Energy and Environment.
Chidester WWTP provides secondary treatment, which is the standard requirement under the Clean Water Act for municipal wastewater plants to remove biodegradable organic matter and suspended solids.
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