MARYSVILLE STP - Wastewater Treatment Plant in Marysville, Pennsylvania

MARYSVILLE STP is a municipal wastewater treatment plant located on South Main Street in Marysville, Perry County, Pennsylvania. Serving a population of approximately 2,306, the facility is part of the region's infrastructure for managing domestic wastewater from this small community along the Susquehanna River. As a US-based plant, MARYSVILLE STP operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting. For small agglomerations like this, secondary treatment is typically required to meet effluent standards, ensuring protection of receiving waters. The plant's treated effluent ultimately reaches the Susquehanna River, which flows into the Chesapeake Bay. This watershed is ecologically significant, supporting diverse aquatic life and serving as a critical habitat for migratory fish species. The plant's performance contributes to the overall health of the Chesapeake Bay estuary.

MARYSVILLE STP discharges into the Susquehanna River basin, which drains into the Chesapeake Bay, the largest estuary in the United States. The Chesapeake Bay watershed supports a rich ecosystem, including blue crabs, oysters, and striped bass, and is a vital migratory corridor for waterfowl. Nutrient and pollutant loads from upstream sources like this plant can impact bay water quality and aquatic habitats.