EMLENTON AREA MARIASVILLE STP - Secondary Wastewater Treatment in Salem Township, Pennsylvania

EMLENTON AREA MARIASVILLE STP is a wastewater treatment facility located in Salem Township, Clarion County, Pennsylvania. The plant serves a small population of 114 residents, providing secondary treatment to meet federal and state 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 37.85 thousand cubic meters per year, the facility manages local sewage from the Mariasville area. As a small-scale plant, it is subject to National Pollutant Discharge Elimination System (NPDES) permitting, ensuring compliance with effluent limits. The treated effluent is discharged into nearby streams that drain into the Allegheny River watershed, ultimately reaching the Ohio River and Mississippi River system. This plant plays a role in protecting local water quality in Clarion County's rural landscape.

The plant discharges into small tributaries of the Allegheny River, which flows into the Ohio River and then the Mississippi River to the Gulf of Mexico. The local watershed supports diverse aquatic life and is part of a larger river system that provides habitat for fish and wildlife. Protecting water quality in this region helps maintain the ecological health of downstream rivers and the Gulf.