NPDES Permit for Prairie Wind Casino Wastewater Treatment Plant in South Dakota
Under National Pollutant Discharge Elimination System permit number SD-0034760, the Prairie Wind Casino is authorized to discharge from its wastewater treatment plant located within the external boundaries of the Pine Ridge Reservation at latitude 43.1839° N and longitude 102.9883° W, Oglala County, to an unnamed tributary of Lower South Branch Blacktail Creek.