Milford WWTF | Wastewater Treatment Plant in Milford, New Hampshire

Milford WWTF is a municipal wastewater treatment facility located in Milford, New Hampshire, serving a population of about 12,307. The plant is situated in the Souhegan River watershed, which drains into the Merrimack River and eventually the Gulf of Maine. As a medium-sized agglomeration, the facility is subject to federal and state regulations under the US Clean Water Act. Under the Clean Water Act, plants of this scale typically require secondary treatment as a minimum standard. The National Pollutant Discharge Elimination System (NPDES) permit program governs discharge limits to protect water quality. The plant's design and operation must comply with New Hampshire Department of Environmental Services requirements. The treated effluent from Milford WWTF discharges into the Souhegan River, a tributary of the Merrimack River. The Merrimack River flows through southern New Hampshire and northeastern Massachusetts before reaching the Atlantic Ocean. The watershed supports diverse aquatic life and provides drinking water for downstream communities, making effective treatment essential for ecological and public health.

Milford WWTF discharges into the Souhegan River, which flows into the Merrimack River and then to the Gulf of Maine. The Souhegan River supports a variety of fish species and is part of a larger watershed that provides habitat for migratory birds and other wildlife. The plant's operations are critical to maintaining water quality in this ecologically sensitive river system.