MIDLAND BORO STP - Midland, Pennsylvania Wastewater Treatment Plant

MIDLAND BORO STP is a municipal wastewater treatment plant located at 944 Railroad Avenue in Midland, Pennsylvania, within Beaver County. The plant serves a population of approximately 7,058 residents, placing it in the small-to-medium agglomeration category for US facilities. As a US-based plant, MIDLAND BORO STP operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting requirements. For plants serving populations around 7,000, typical treatment includes secondary treatment as a minimum standard, with potential nutrient removal depending on the receiving water body's sensitivity. The plant discharges treated effluent into the local watershed, which ultimately drains into the Ohio River via nearby tributaries. The Ohio River is a major waterway supporting diverse aquatic life and providing drinking water for millions downstream. The plant's location in western Pennsylvania places it within the Upper Ohio River Basin, an area with significant industrial history and ongoing water quality management efforts.

The plant's treated effluent enters the local drainage network that flows into the Ohio River, a major tributary of the Mississippi River system. The Ohio River supports diverse aquatic species and serves as a critical drinking water source for communities along its course. The watershed is influenced by historical industrial activity, requiring careful management of pollutants to protect downstream ecosystems.