Long Island Sound Partnership Nitrogen Reduction Infrastructure Grant
This grant funds infrastructure projects to reduce nitrogen pollution from Massachusetts wastewater treatment plants discharging into the Long Island Sound watershed.
Funder: Executive Office of Energy and Environmental Affairs
Due Dates (Anticipated): August 2026 (Full application/Request for Responses submission deadline, projected)
Funding Amounts: ~$7.2 million total available; award size not specified; all work must be completed by September 30, 2031.
Summary: Supports project development and construction to reduce nitrogen discharges from Massachusetts wastewater treatment plants into the Long Island Sound watershed.
Key Information: Only Publicly Owned Treatment Works (POTWs) in the LIS watershed are eligible; preference for shovel-ready projects.
Description
This grant opportunity, administered by the Massachusetts Department of Environmental Protection (MassDEP) through the Executive Office of Energy and Environmental Affairs, provides approximately $7.2 million in funding for projects that reduce nitrogen discharges from wastewater treatment plants into the Long Island Sound (LIS) watershed. The grant targets infrastructure development and construction activities that directly address nitrogen pollution, a major contributor to water quality degradation and eutrophication in the Sound. Funding is provided through the United States Environmental Protection Agency (USEPA) via the Infrastructure Investment and Jobs Act (IIJA) and the Long Island Sound Partnership.
Preference is given to projects that are shovel-ready or in the final stages of design and permitting. All funded work must be completed by September 30, 2031.
