Felsenthal WWTP - Advanced Wastewater Treatment in Felsenthal, Arkansas

Felsenthal WWTP is a municipal wastewater treatment facility located on South 1st Street in Felsenthal, a small town in Union County, Arkansas. The plant serves a population of approximately 150 residents, reflecting the rural character of the area. As an advanced treatment plant, it provides a higher level of pollutant removal than conventional secondary treatment. The plant operates under the U.S. Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for all point source discharges. For small communities like Felsenthal, the Arkansas Department of Energy and Environment - Division of Environmental Quality issues permits that set effluent limits based on the receiving water's designated uses. The plant's designed capacity of 185.48 units suggests it has room to accommodate future growth. The treated effluent from Felsenthal WWTP likely discharges into a local stream or river within the Ouachita River basin, which ultimately flows into the Mississippi River and then the Gulf of Mexico. The plant's advanced treatment helps protect downstream water quality, supporting aquatic life and recreational uses in the region's waterways.

Felsenthal WWTP discharges into a tributary of the Ouachita River, which flows south through Arkansas and Louisiana before joining the Mississippi River. The Ouachita River basin supports diverse aquatic ecosystems, including fish species such as bass and catfish, and provides habitat for migratory waterfowl. The plant's advanced treatment reduces nutrient and pollutant loads, helping to maintain water quality in this ecologically sensitive watershed.