MINCO WWT Wastewater Treatment Plant, Minco, Oklahoma

MINCO WWT is a municipal wastewater treatment facility located in Minco, Grady County, Oklahoma. The plant serves a population of approximately 1,672 residents, reflecting a small community scale typical of rural Oklahoma towns. As a secondary treatment plant, MINCO WWT provides biological treatment to remove organic matter and suspended solids. The facility has a designed capacity of 567.81 m³/day and a reported discharge volume of 378.54 m³/day. Under the U.S. Clean Water Act, such facilities operate under National Pollutant Discharge Elimination System (NPDES) permits issued by the Oklahoma Department of Environmental Quality, ensuring compliance with effluent limits. The plant's treated effluent is discharged into local waterways that ultimately drain into the Washita River basin, part of the Red River watershed. This region supports agricultural activities and provides habitat for aquatic species. Proper treatment helps protect downstream water quality and ecosystem health.

The plant discharges into local streams that flow into the Washita River, a tributary of the Red River. The Red River eventually reaches the Gulf of Mexico. The watershed supports diverse aquatic life and is important for regional agriculture. Effective secondary treatment reduces nutrient and pollutant loads, helping to prevent eutrophication in downstream water bodies.