Dunbar Boro Township Sanitary Authority Wastewater Treatment Plant, Dunbar, Pennsylvania

Dunbar Boro Township Sanitary Authority operates a municipal wastewater treatment plant in Dunbar, Fayette County, Pennsylvania. The facility serves a population of 1,301 and is part of the region's infrastructure for managing domestic wastewater. The plant is located inland, away from coastal areas, and its operations are subject to state and federal environmental regulations. The plant provides secondary treatment, a standard level of biological treatment that removes organic matter and suspended solids. With a designed capacity of 870.64 thousand gallons per day and an average discharge volume of 681.37 thousand gallons per day, the facility operates below its design capacity. Under the US Clean Water Act, such plants must comply with National Pollutant Discharge Elimination System (NPDES) permits issued by the Pennsylvania Department of Environmental Protection. The treated effluent is discharged into a local water body that ultimately drains into the Monongahela River, a major tributary of the Ohio River. This watershed supports diverse aquatic life and provides drinking water for downstream communities. The plant's secondary treatment helps protect water quality in this inland basin.

The plant discharges into a tributary of the Monongahela River, which flows into the Ohio River and eventually the Mississippi River. This watershed supports diverse aquatic species and is used for recreation and drinking water. Secondary treatment reduces organic pollutants and suspended solids, helping maintain ecological balance in the receiving waters.