Overview
MARSHALL WWT is a secondary treatment plant serving 258 people in Marshall, Oklahoma. It discharges 151.42 megaliters of treated wastewater annually, with a designed capacity of 200.63 megaliters.
MARSHALL WWT is a municipal wastewater treatment facility located on Maple Street in Marshall, Oklahoma, a small community in Logan County. The plant serves a population of 258 and operates under the regulatory framework of the United States Clean Water Act, which requires secondary treatment for municipal wastewater discharges. The plant provides secondary treatment, a biological process that removes organic matter and suspended solids. It has a designed capacity of 200.63 megaliters per year and currently discharges 151.42 megaliters annually, indicating operational capacity below design levels. As a small facility, it is subject to National Pollutant Discharge Elimination System (NPDES) permitting, which sets effluent limits to protect water quality. The treated effluent is discharged into a local water body, likely a tributary of the Arkansas River basin, which ultimately drains into the Mississippi River and the Gulf of Mexico. The plant plays a role in protecting local streams and downstream ecosystems from nutrient pollution and pathogens.
Environmental context
The plant discharges into a local watercourse within the Arkansas River basin, which flows into the Mississippi River and eventually the Gulf of Mexico. This watershed supports diverse aquatic life and is important for regional water quality. The secondary treatment process reduces organic pollutants and suspended solids, helping to maintain the ecological health of the receiving waters.
Frequently asked questions
MARSHALL WWT is located on Maple Street in Marshall, Logan County, Oklahoma, United States.
The plant serves a population of 258 people in the Marshall community.
The plant discharges treated effluent into a local water body within the Arkansas River basin, which flows to the Mississippi River and the Gulf of Mexico.
The plant provides secondary treatment, which uses biological processes to remove organic matter and suspended solids, meeting typical requirements under the Clean Water Act.
As a US facility, MARSHALL WWT operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits, which set effluent limits to protect water quality.
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