Overview
WAPANUCKA PWA WWT is a secondary treatment plant serving 465 people in Wapanucka, Oklahoma. It discharges 151.42 m³/day of treated wastewater, with a designed capacity of 170.34 m³/day.
WAPANUCKA PWA WWT is a municipal wastewater treatment facility located on West 1st Street in Wapanucka, Johnston County, Oklahoma. The plant serves a small population of 465 residents, reflecting the rural character of the area. It operates under the regulatory framework of the United States Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for all discharges. The plant provides secondary treatment, a standard level for small communities in the US, ensuring removal of biodegradable organic matter and suspended solids. With a designed capacity of 170.34 m³/day and an actual discharge volume of 151.42 m³/day, the facility operates below its design capacity, indicating adequate headroom for current demand. The treated effluent is discharged into a local waterway that ultimately drains into the Washita River basin, part of the larger Red River watershed. This system flows southward to the Gulf of Mexico, supporting diverse aquatic life and providing water for agricultural and recreational uses downstream.
Environmental context
The plant discharges into a tributary of the Washita River, which flows into the Red River and eventually reaches the Gulf of Mexico. The local watershed supports a mix of agricultural and natural habitats, including wetlands and riparian zones that filter runoff and provide wildlife corridors. The secondary treatment helps protect downstream water quality by reducing nutrient loads and organic pollutants.
Frequently asked questions
The plant is located on West 1st Street in Wapanucka, Johnston County, Oklahoma, United States.
The plant serves a population of 465 residents in the Wapanucka area.
The treated effluent is discharged into a local tributary that flows into the Washita River basin, part of the Red River watershed, ultimately reaching the Gulf of Mexico.
As a US facility, it operates under the Clean Water Act, requiring an NPDES permit issued by the Oklahoma Department of Environmental Quality or the EPA.
Small communities in Oklahoma typically use secondary treatment, which includes biological processes to remove organic matter and solids, meeting state and federal standards.
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