Northumberland Village WWTF - Secondary Wastewater Treatment in Northumberland, New Hampshire

Northumberland Village WWTF is a municipal wastewater treatment facility located in Northumberland, New Hampshire, in the United States. The plant serves a small community of 271 residents and operates under the regulatory framework of the US Clean Water Act, which requires secondary treatment for municipal discharges. The plant has a designed capacity of 227.12 volume units and processes an average daily flow of 242.27 volume units, indicating it operates near its design capacity. As a secondary treatment facility, it provides biological treatment to reduce organic matter and suspended solids before discharge. The treated effluent is released into the local watershed, which drains into the Upper Connecticut River basin. The Connecticut River flows southward through New Hampshire and eventually empties into Long Island Sound, supporting diverse aquatic life and recreational uses along its course.

The plant discharges into the Upper Connecticut River watershed, a major tributary of the Connecticut River. The Connecticut River flows through New Hampshire and Vermont before reaching Long Island Sound, an estuary that supports important fisheries and migratory bird habitats. The watershed is ecologically sensitive, with coldwater fisheries and riparian zones that benefit from proper wastewater treatment.