Texarkana South Regional WWTP - Wastewater Treatment in Texarkana, Texas

Texarkana South Regional WWTP is a major wastewater treatment facility located in Texarkana, Texas, serving a population of approximately 103,439. The plant is situated near the Texas-Arkansas border and plays a critical role in managing municipal wastewater for the region. As a large agglomeration serving over 100,000 people, the plant is expected to provide at least secondary treatment under the US Clean Water Act. The National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Texas Commission on Environmental Quality (TCEQ), governs its discharge limits and monitoring requirements. The facility likely incorporates biological treatment processes to meet effluent standards. The plant discharges treated wastewater into local waterways that ultimately drain into the Red River basin. The Red River flows southward through Louisiana and empties into the Mississippi River, which reaches the Gulf of Mexico. This downstream connection underscores the plant's role in protecting water quality in a major interstate river system.

The plant's treated effluent enters the Red River watershed, which drains into the Mississippi River and eventually the Gulf of Mexico. This basin supports diverse aquatic life and provides water for agriculture and communities downstream. The region's climate, with hot summers and periodic droughts, makes water quality management particularly important for maintaining ecological balance in the river system.