Springdale WWTP - Municipal Wastewater Treatment in Springdale, Arkansas

Springdale WWTP is a municipal wastewater treatment facility located in Springdale, Arkansas, serving a population of about 79,428 residents. The plant is situated in the Ozark region of northwestern Arkansas, an area characterized by karst topography and sensitive aquatic ecosystems. As a medium-to-large agglomeration, the plant is subject to the US Clean Water Act and National Pollutant Discharge Elimination System (NPDES) permitting requirements. Facilities of this scale typically employ secondary or advanced treatment processes to meet effluent limits for biochemical oxygen demand, total suspended solids, and nutrients. The plant's treatment process and capacity are consistent with regulatory standards for inland facilities in the region. The plant's treated effluent discharges into the Illinois River watershed, which flows into the Arkansas River and ultimately the Mississippi River. This water body supports diverse aquatic life and is an important resource for recreation and drinking water downstream. The plant plays a key role in protecting water quality in the region.

The plant discharges into the Illinois River watershed, part of the Arkansas River basin, which drains into the Mississippi River and eventually the Gulf of Mexico. The receiving waters support diverse aquatic species and are used for recreation and municipal supply. The Ozark region's karst geology makes groundwater particularly vulnerable to contamination, underscoring the importance of effective wastewater treatment.