NEWPORT WWTP - Secondary Wastewater Treatment in Newport City, Vermont

NEWPORT WWTP is a municipal wastewater treatment plant located in Newport City, Orleans County, Vermont. It serves a small population of 366 residents, reflecting its role in a rural community. The plant's location near the Canadian border places it within the Lake Memphremagog watershed, which drains north into Quebec. As a secondary treatment facility, NEWPORT WWTP meets the standard required by the U.S. Clean Water Act for municipal plants. The plant has a designed capacity of 158.99 million gallons per day, with an average discharge volume of 41.64 million gallons per day, indicating operational headroom. Facilities of this scale typically operate under Vermont's NPDES program administered by the Vermont Department of Environmental Conservation. The plant's treated effluent ultimately reaches Lake Memphremagog, a large glacial lake spanning the U.S.-Canada border. The lake supports diverse aquatic life and is a key recreational and ecological resource for the region. Downstream, the lake drains via the Magog River into the St. Francis River, which flows into the St. Lawrence River, connecting to the Atlantic Ocean.

NEWPORT WWTP discharges into the Lake Memphremagog watershed, which drains into the Magog River and then the St. Francis River, a tributary of the St. Lawrence River. The lake is ecologically sensitive, supporting cold-water fish species and serving as an important migratory corridor for birds. The plant's secondary treatment helps protect water quality in this transboundary water body.