LYNDON STP - Lyndonville, Vermont Wastewater Treatment Plant

LYNDON STP is a municipal wastewater treatment plant located in Lyndonville, Vermont, serving a population of about 5,200. The facility is part of the town's infrastructure, managed under the regulatory framework of the United States Clean Water Act. As a plant serving a small agglomeration, it is subject to EPA National Pollutant Discharge Elimination System (NPDES) permitting, which sets effluent limits to protect water quality. Typical plants of this scale employ secondary treatment to meet federal standards. The plant's treated effluent is discharged into a local waterway that flows into the Passumpsic River, a tributary of the Connecticut River. The Connecticut River watershed supports diverse aquatic life and provides drinking water for downstream communities. The plant's operations are critical to maintaining the ecological health of this regional water system.

LYNDON STP discharges into a local stream that feeds the Passumpsic River, which flows into the Connecticut River. The Connecticut River is the longest river in New England, draining into Long Island Sound. The watershed supports diverse aquatic species, including migratory fish such as Atlantic salmon and American eel. Protecting water quality in this basin is essential for both ecological integrity and downstream recreational uses.