Groveton WWTF - Secondary Wastewater Treatment in Northumberland, New Hampshire

Groveton WWTF is a municipal wastewater treatment facility located in Northumberland, New Hampshire, serving the community of Groveton. The plant provides secondary treatment for a population of 2,578, reflecting its role in managing domestic wastewater for this small New England town. As a secondary treatment plant, Groveton WWTF meets the standard requirements under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater discharges. The plant has a designed capacity of 1,389.24 units and currently processes an average daily flow of 802.51 units, indicating operational capacity well within its design limits. The treated effluent from Groveton WWTF is discharged into local waterways that ultimately drain into the Upper Connecticut River watershed. This region supports diverse aquatic life and contributes to the ecological health of the Connecticut River basin, which flows southward to Long Island Sound.

The plant's discharge enters local streams that feed into the Upper Connecticut River, a major waterway in northern New England. The Connecticut River basin supports coldwater fisheries, including native brook trout, and provides habitat for migratory fish species. Downstream, the river flows through agricultural and forested landscapes before reaching Long Island Sound, an ecologically productive estuary.