ST THOMAS TWP EDENVILLE STP - Secondary Wastewater Treatment in St. Thomas Township, Pennsylvania

ST THOMAS TWP EDENVILLE STP is a municipal wastewater treatment facility located in St. Thomas Township, Franklin County, Pennsylvania. The plant serves a small population of 260 residents, providing secondary treatment to meet state and federal water quality standards. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater. With a designed capacity of 189.27 megaliters per year and an actual discharge volume of 113.56 megaliters per year, the facility operates below its capacity. The treatment process is secondary, which typically involves biological treatment to remove organic matter and suspended solids. The treated effluent is discharged into a local waterway that ultimately drains into the Potomac River basin and then to the Chesapeake Bay. The plant plays a role in protecting downstream water quality in the Chesapeake Bay watershed, which supports diverse aquatic life and is an important ecological and economic resource.

The plant discharges into a tributary of the Potomac River, which flows into the Chesapeake Bay. The Chesapeake Bay is the largest estuary in the United States and supports a rich ecosystem including blue crabs, oysters, and migratory fish. The plant's secondary treatment helps reduce nutrient and pollutant loads to the bay, contributing to regional water quality improvement efforts.