Floyd Branch WWTP, Richardson, Texas | Wastewater Treatment Plant

Floyd Branch WWTP is a municipal wastewater treatment facility located in Richardson, Texas, within Dallas County. The plant serves a population of approximately 48,000 people, placing it in the medium-agglomeration category for US regulatory purposes. As a US facility, Floyd Branch WWTP operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Texas Commission on Environmental Quality (TCEQ). For plants serving populations of this scale, secondary treatment is typically required, with additional nutrient controls if discharging to sensitive waters. The plant's treated effluent is discharged into local waterways that ultimately drain into the Trinity River basin, which flows into the Gulf of Mexico. The Trinity River supports diverse aquatic life and provides water for municipal, agricultural, and industrial uses downstream.

Floyd Branch WWTP discharges into tributaries of the Trinity River, which flows through the Dallas-Fort Worth metroplex before reaching the Gulf of Mexico. The Trinity River basin supports a variety of fish and wildlife, including several species of freshwater mussels and migratory birds. Downstream ecosystems depend on adequate treatment to maintain water quality and prevent eutrophication in the Gulf.