HANOVER TWP WASHINGTION STP1 - Secondary Wastewater Treatment in Hanover Township, Pennsylvania

HANOVER TWP WASHINGTION STP1 is a municipal wastewater treatment plant located in Hanover Township, Washington County, Pennsylvania. Serving a population of 1,400, it is classified as a small-scale facility within the region's wastewater infrastructure. The plant provides secondary treatment, a standard level required by the US Clean Water Act for facilities of this size. It has a designed capacity of 643.52 units and discharges a similar volume of treated effluent. As a US facility, it operates under an NPDES permit issued by the Pennsylvania Department of Environmental Protection, ensuring compliance with federal water quality standards. The treated effluent is discharged into a local waterway that drains into the Ohio River basin, ultimately reaching the Mississippi River and the Gulf of Mexico. The plant plays a role in protecting downstream aquatic ecosystems and maintaining water quality in the region.

The plant discharges into a tributary of the Ohio River, which flows into the Mississippi River and then the Gulf of Mexico. This watershed supports diverse aquatic life and is an important migratory corridor for fish. The secondary treatment process reduces organic pollutants and suspended solids, helping to protect downstream water quality and ecological health.