North Regional WWTP, Angelina County, Texas - Advanced Wastewater Treatment

North Regional WWTP is a municipal wastewater treatment facility located in Angelina County, Texas, United States. It serves a population of approximately 2,200 residents, classifying it as a small-scale treatment plant within the region. The plant is situated inland, away from coastal zones, and contributes to local water management infrastructure. The facility employs advanced treatment processes, ensuring high-quality effluent before discharge. With a designed capacity of 1,400.60 thousand cubic meters and an annual discharge volume of 711.66 thousand cubic meters, the plant operates below its maximum capacity. As a US facility, it falls under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits, which set effluent limits to protect water quality. The treated wastewater is discharged into local waterways that ultimately drain into the Gulf of Mexico via the Neches River basin. The plant plays a key role in safeguarding downstream aquatic ecosystems, including wetlands and estuarine habitats that support diverse fish and bird species. Its advanced treatment helps reduce nutrient loading and maintain ecological balance in the region.

The plant discharges into tributaries of the Neches River, which flows southeast through Texas into Sabine Lake and then the Gulf of Mexico. This watershed supports diverse aquatic life, including fish and migratory birds, and is ecologically sensitive to nutrient pollution. Advanced treatment at the plant helps protect downstream habitats from excessive nitrogen and phosphorus.