Overview
Stephens Co 1 Velma WWT is a secondary treatment plant in Stephens County, Oklahoma, serving 664 people. It discharges 189.27 megaliters of treated wastewater annually, with a designed capacity of 227.12 megaliters.
Stephens Co 1 Velma WWT is a municipal wastewater treatment facility located in Stephens County, Oklahoma, United States. The plant serves a small population of 664 residents and operates under the regulatory framework of the US Clean Water Act, which requires secondary treatment for municipal discharges to protect water quality. The plant provides secondary treatment, a standard biological process that removes organic matter and suspended solids. With a designed capacity of 227.12 megaliters and an annual discharge volume of 189.27 megaliters, the facility operates below its capacity, indicating adequate headroom for current demand. As a US plant, it is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Oklahoma Department of Environmental Quality, ensuring compliance with effluent limits. The treated effluent is discharged into local waterways within the Red River basin, which ultimately drains into the Gulf of Mexico. The plant plays a key role in protecting downstream aquatic ecosystems by reducing pollutant loads before discharge, supporting water quality in the region's streams and rivers.
Environmental context
The plant discharges into a tributary of the Red River basin, which flows southward into the Gulf of Mexico. This watershed supports diverse aquatic life and is an important corridor for migratory fish. The secondary treatment process helps reduce nutrient and organic loads, mitigating potential eutrophication in downstream water bodies and protecting the ecological health of the Gulf coastal zone.
Frequently asked questions
The plant is located on East 1st Street in Stephens County, Oklahoma, United States, near the town of Velma.
The plant serves a population of 664 residents in the Stephens County area.
The treated wastewater is discharged into local waterways within the Red River basin, which ultimately flows to the Gulf of Mexico.
The plant provides secondary treatment, a biological process that removes organic matter and suspended solids, meeting US Clean Water Act standards for municipal wastewater.
As a US facility, it operates under the Clean Water Act and is regulated by an NPDES permit issued by the Oklahoma Department of Environmental Quality, ensuring compliance with effluent limits to protect water quality.
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