Perryopolis STP - Advanced Wastewater Treatment in Perryopolis, Pennsylvania

Perryopolis STP is a municipal wastewater treatment facility located in Perryopolis, Fayette County, Pennsylvania. The plant serves a population of 1,764 and is classified as an advanced treatment facility, reflecting a high level of pollutant removal beyond secondary standards. As an advanced treatment plant, Perryopolis STP likely employs processes such as tertiary filtration, nutrient removal, or disinfection to meet stringent effluent limits. The plant's designed capacity of 1552.01 and actual discharge volume of 757.08 indicate it operates below full capacity. Under the US Clean Water Act, such facilities are regulated through National Pollutant Discharge Elimination System (NPDES) permits issued by the Pennsylvania Department of Environmental Protection. The plant discharges treated wastewater into a local water body within the Monongahela River basin, which ultimately flows into the Ohio River and then the Mississippi River. This downstream chain supports diverse aquatic life and provides drinking water for millions. Advanced treatment helps protect these waters from nutrient pollution and other contaminants.

Perryopolis STP discharges into a tributary of the Monongahela River, part of the greater Ohio River watershed. The Monongahela River supports diverse fish populations and is a key source of drinking water for downstream communities. Advanced treatment at this plant reduces nutrient loads, helping to mitigate algal blooms and maintain water quality in the Mississippi River basin.