Liberty T Swan Lake SD Wastewater Treatment Plant, Town of Bethel, New York

Liberty T Swan Lake SD is a municipal wastewater treatment plant located in the Town of Bethel, Sullivan County, New York. It serves a population of approximately 3,900 residents, placing it in the small-to-medium agglomeration category under US regulatory frameworks. The plant provides secondary treatment, which is the standard level required by the US Clean Water Act for most municipal facilities. With a designed capacity of 1,726.14 units and an average daily discharge of 605.67 units, the plant operates well below its capacity, indicating room for future growth or seasonal variations. The treated effluent is discharged into local waterways that ultimately drain into the Delaware River Basin, a critical water source for the northeastern United States. The plant's operations are subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the New York State Department of Environmental Conservation, ensuring compliance with water quality standards.

The plant's discharge enters the local watershed, which is part of the Delaware River Basin. This basin provides drinking water for millions of people in New York, New Jersey, and Pennsylvania. The downstream environment includes ecologically sensitive areas that support diverse aquatic life, including migratory fish species. The plant's secondary treatment helps reduce organic pollutants and protect water quality in the receiving waters.