FAULKTON STP - Secondary Wastewater Treatment in Faulk County, South Dakota

FAULKTON STP is a municipal wastewater treatment facility located in Tamworth Township, Faulk County, South Dakota. The plant serves a small community of 1,334 residents, typical of rural wastewater infrastructure in the Great Plains region. The plant provides secondary treatment, which is the standard level required under the U.S. Clean Water Act for municipal wastewater. With a design capacity of 378.54 cubic meters per day and a discharge volume matching that figure, the facility operates at full capacity. As a publicly owned treatment works (POTW), it operates under a National Pollutant Discharge Elimination System (NPDES) permit issued by the South Dakota Department of Environment and Natural Resources. The treated effluent is discharged to a local water body, contributing to the protection of downstream watersheds in the Missouri River basin. The plant plays a key role in maintaining water quality in the region's prairie streams and aquifers.

The plant discharges into a local water body within the Missouri River watershed, which ultimately drains to the Mississippi River and the Gulf of Mexico. The surrounding area is part of the Northern Great Plains, characterized by intermittent streams and sensitive prairie ecosystems. Proper treatment helps protect downstream aquatic habitats and supports regional water quality goals.