2 plants indexed.
Willow WWT in Greer County, Oklahoma, provides secondary treatment for a small population of 114. The plant discharges 56.78 units of treated wastewater, operating under U.S. Clean Water Act regulations.
Mangum WWT serves Greer County, Oklahoma, treating wastewater for approximately 2,924 residents. The plant operates under the US Clean Water Act framework, with state-issued NPDES permits governing its discharge.