MONTOUR TWP STP - Montour Township, Pennsylvania Wastewater Treatment Plant

MONTOUR TWP STP is a municipal wastewater treatment plant located in Montour Township, Columbia County, Pennsylvania. Serving a population of 1,122, the plant provides secondary treatment to domestic wastewater from the community. The facility is situated inland, away from coastal areas, and operates under the regulatory framework of the US Clean Water Act. The plant has a designed capacity of 340.69 volume units and a current discharge volume of 302.83 units, indicating it operates below its design capacity. As a secondary treatment facility, it meets the standard requirements for organic matter and suspended solids removal. Under the National Pollutant Discharge Elimination System (NPDES), the plant must comply with effluent limits set by the Pennsylvania Department of Environmental Protection. The treated effluent is discharged into local streams that drain into the Susquehanna River basin, ultimately reaching the Chesapeake Bay. The plant plays a role in protecting water quality in this ecologically significant watershed, which supports diverse aquatic life and is an important migratory corridor for fish.

The plant discharges into tributaries of the Susquehanna River, which flows into the Chesapeake Bay, the largest estuary in the United States. The Chesapeake Bay watershed is ecologically sensitive, supporting diverse aquatic species and serving as a critical habitat for migratory birds and fish. The plant's secondary treatment helps reduce nutrient and pollutant loads to this important water body.