Bethlehem WWTF - Secondary Wastewater Treatment Plant in Bethlehem, New Hampshire

Bethlehem WWTF is a municipal wastewater treatment facility located in Bethlehem, New Hampshire, United States. The plant serves a population of approximately 2,819 residents, classifying it as a small-scale facility within the state's wastewater infrastructure. The plant provides secondary treatment, which is the standard biological treatment process required by the U.S. Clean Water Act for municipal wastewater. With a designed capacity of 1,287.04 units and an average daily discharge of 794.94 units, the facility operates below its maximum capacity, indicating room for future growth or seasonal variations. The treated effluent is discharged into a local water body, which ultimately drains into the Ammonoosuc River and then the Connecticut River, a major tributary of Long Island Sound. The plant plays a key role in protecting downstream water quality and aquatic ecosystems in the Connecticut River watershed.

The plant discharges into a receiving water body that flows into the Ammonoosuc River, a tributary of the Connecticut River. The Connecticut River watershed supports diverse aquatic life and provides habitat for migratory fish species. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting downstream water quality in the river system and ultimately Long Island Sound.