Corry City STP - Municipal Wastewater Treatment in Corry, Pennsylvania

Corry City STP is a municipal wastewater treatment facility located in Corry, Erie County, Pennsylvania. The plant serves a population of about 8,745 people, placing it in the small-to-medium agglomeration category. Its designed capacity is 1.00 million gallons per day, indicating a facility sized for the community's needs. As a US-based plant, Corry City STP operates under the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Pennsylvania Department of Environmental Protection. The Clean Water Act requires secondary treatment as a minimum for municipal plants of this scale, ensuring that effluent meets water quality standards before discharge. The plant's treated effluent is discharged into a tributary of the Allegheny River system, which flows into the Ohio River and ultimately the Mississippi River. This watershed supports diverse aquatic life and provides drinking water for downstream communities. The plant plays a key role in protecting local water quality in the Lake Erie basin region.

Corry City STP discharges into the local watershed that drains to the Allegheny River, a major tributary of the Ohio River. The receiving waters support fish populations and recreational uses. The plant's operations help maintain water quality in this inland basin, which is part of the larger Mississippi River system. Protecting this watershed is important for downstream ecosystems and community water supplies.