Menallen Township Buffington STP - Advanced Wastewater Treatment in Pennsylvania

Menallen Township Buffington STP is a municipal wastewater treatment facility located in Menallen Township, Fayette County, Pennsylvania. The plant serves a small community of approximately 1,484 residents and is part of the region's water infrastructure. The plant provides advanced treatment, which goes beyond secondary treatment to remove additional nutrients and contaminants. Its designed capacity is 946.35 thousand gallons per day, matching the current discharge volume. As a US facility, it operates under the Clean Water Act, with National Pollutant Discharge Elimination System (NPDES) permits issued by the Pennsylvania Department of Environmental Protection. The treated effluent is discharged into local waterways that drain into the Monongahela River watershed, ultimately reaching the Ohio River and Mississippi River system. The plant plays a key role in protecting downstream water quality in this Appalachian region, supporting aquatic life and recreational uses.

The plant discharges into tributaries of the Monongahela River, which flows into the Ohio River and then the Mississippi River to the Gulf of Mexico. The local watershed supports diverse aquatic species and is important for regional water supply. The advanced treatment helps reduce nutrient loading, protecting downstream ecosystems from eutrophication.