Overview
MANNSVILLE WWT is a secondary treatment plant serving 606 people in Mannsville, Oklahoma. It discharges 227.13 megaliters of treated wastewater annually, operating under US EPA NPDES regulations.
MANNSVILLE WWT is a municipal wastewater treatment facility located in Mannsville, Johnston County, Oklahoma. The plant serves a small population of 606 residents and operates as part of the town's public sanitation infrastructure. The plant provides secondary treatment, which is the standard level required by the US Clean Water Act for municipal wastewater. With a designed capacity of 264.98 megaliters per year and an annual discharge volume of 227.13 megaliters, the facility operates within its capacity. As a US plant, it is regulated under the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Oklahoma Department of Environmental Quality. The treated effluent is discharged into local waterways that drain into the Washita River basin, eventually reaching the Red River and the Gulf of Mexico. The plant plays a key role in protecting downstream water quality in this rural agricultural region.
Environmental context
The plant discharges into tributaries of the Washita River, which flows southeast through Oklahoma into the Red River and ultimately the Gulf of Mexico. The receiving waters support diverse aquatic life and are used for recreation and irrigation. The plant's secondary treatment helps reduce nutrient and organic loads, protecting downstream ecosystems from eutrophication and maintaining water quality in the sensitive Red River basin.
Frequently asked questions
MANNSVILLE WWT is located on 8th Avenue in Mannsville, Johnston County, Oklahoma, United States.
The plant serves approximately 606 residents of Mannsville, Oklahoma.
MANNSVILLE WWT provides secondary treatment, which is the standard required by the US Clean Water Act for municipal wastewater.
The treated effluent is discharged into local waterways that drain into the Washita River basin, eventually reaching the Red River and the Gulf of Mexico.
As a US plant, MANNSVILLE WWT operates under the Clean Water Act and is permitted through the National Pollutant Discharge Elimination System (NPDES), enforced by the Oklahoma Department of Environmental Quality.
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