LEXINGTON PRISON WWT - Secondary Wastewater Treatment in Cleveland County, Oklahoma

LEXINGTON PRISON WWT is a wastewater treatment facility located in Cleveland County, Oklahoma, United States. The plant serves a population of 543 and operates with secondary treatment, a standard level for small communities under the US Clean Water Act. The plant has a designed capacity of 189.27 megaliters and currently discharges 151.42 megaliters annually. As a US facility, it operates under the National Pollutant Discharge Elimination System (NPDES) permit program, which sets effluent limits to protect water quality. The treated effluent is discharged into local waterways that drain into the Canadian River system, ultimately flowing into the Arkansas River and then the Mississippi River. This watershed supports diverse aquatic life and provides water for downstream communities and agriculture.

The plant discharges into the Canadian River basin, which flows into the Arkansas River and eventually the Mississippi River. This watershed is ecologically important, supporting fish, migratory birds, and riparian habitats. The secondary treatment process reduces organic pollutants and suspended solids, helping to maintain water quality in the receiving waters.