Oyster Creek WWTP - Angleton, Texas Wastewater Treatment Plant

Oyster Creek WWTP is a municipal wastewater treatment facility located in Angleton, Brazoria County, Texas, serving a population of about 16,270. The plant is situated inland, more than 50 km from the Gulf Coast, and plays a key role in managing wastewater for this growing community. As a U.S. facility, Oyster Creek 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. For a population of this size, secondary treatment is typically required, with potential nutrient removal if discharging into sensitive waters. The plant's treated effluent likely flows into Oyster Creek, a tributary of the Brazos River, which ultimately drains into the Gulf of Mexico. This watershed supports diverse aquatic life and is important for regional water quality and downstream ecosystems.

Oyster Creek WWTP discharges into Oyster Creek, a tributary of the Brazos River, which flows into the Gulf of Mexico. The Brazos River basin supports diverse aquatic habitats and is a critical water resource for Texas. The plant's operations help protect downstream water quality in this ecologically significant coastal plain watershed.