Grand Saline WWTP - Municipal Wastewater Treatment in Grand Saline, Texas

Grand Saline WWTP is a municipal wastewater treatment facility located in Grand Saline, Van Zandt County, Texas. The plant serves a population of approximately 2,631 people, classifying it as a small-scale treatment operation within the state's wastewater infrastructure. As a US-based facility, Grand Saline WWTP operates under the regulatory framework of the Clean Water Act, administered by the Texas Commission on Environmental Quality (TCEQ). For small agglomerations like this, secondary treatment is typically required to meet National Pollutant Discharge Elimination System (NPDES) permit standards, ensuring effluent quality protects receiving waters. The plant's treated effluent likely discharges into a local waterway within the Sabine River basin, which flows southeast through Texas and Louisiana into the Gulf of Mexico. This watershed supports diverse aquatic life and provides important habitat for fish and wildlife species common to East Texas.

The plant's discharge likely enters a tributary of the Sabine River, which flows through the Piney Woods ecoregion of Texas and Louisiana before emptying into Sabine Lake and the Gulf of Mexico. This watershed supports diverse aquatic ecosystems, including bottomland hardwood forests and wetlands that provide critical habitat for migratory birds and fish species.