Cohasset Dept of Public Works Wastewater Treatment Plant, Massachusetts

The Cohasset Dept of Public Works operates a secondary wastewater treatment plant located at 43R Elm Street in Cohasset, Massachusetts. Serving a population of 3,900, this facility is part of the town's municipal infrastructure, managing wastewater for this coastal community in Norfolk County. The plant provides secondary treatment, a standard level required under the US Clean Water Act for most municipal facilities. With a designed capacity of 1,703.43 thousand cubic meters and an annual discharge volume of 984.21 thousand cubic meters, the plant operates below its full capacity, indicating room for future growth or seasonal variations. The treated effluent is discharged into the local watershed, which ultimately drains into the Atlantic Ocean. As a coastal plant within 10 km of the coast, the facility plays a critical role in protecting the marine environment and nearby recreational waters from nutrient pollution and pathogens.

The plant discharges into the coastal watershed of Cohasset, which drains into Massachusetts Bay and the Atlantic Ocean. This area supports diverse marine life, including fish, shellfish, and migratory seabirds. The proximity to the coast necessitates careful management of nutrients and pathogens to prevent eutrophication and protect public health in recreational waters.