Portville V WWTP - Secondary Wastewater Treatment in Olean, New York

Portville V WWTP is a municipal wastewater treatment facility located in Olean, New York, serving the Village of Portville and surrounding areas. The plant provides secondary treatment for a population of 1,024, with a designed capacity of 2,952.61 thousand gallons per day and an average discharge volume of 950.14 thousand gallons per day. As a secondary treatment plant in the United States, Portville V WWTP operates under the Clean Water Act, which requires secondary treatment as the minimum level for municipal wastewater facilities. The plant's discharge is regulated through the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the New York State Department of Environmental Conservation. The plant discharges treated effluent into a local waterway that ultimately drains into the Allegheny River basin. The Allegheny River flows southwest into Pennsylvania, eventually joining the Ohio River and then the Mississippi River system. The plant's operations help protect water quality in the Allegheny River watershed, which supports diverse aquatic life and recreational uses.

The plant discharges into a tributary of the Allegheny River, which flows through western New York and Pennsylvania before joining the Ohio River. The Allegheny River watershed supports a variety of fish species, including smallmouth bass and walleye, and provides habitat for freshwater mussels. The river is an important recreational resource for fishing and boating in the region.