Open applicant-facing MassDEP grant opportunity, posted September 3, 2026 and due December 21, 2026. Full RFR and amendments still require review before approval.
Massachusetts FY2026 Long Island Sound Partnership Nitrogen Reduction Infrastructure Grants (December 21, 2026)
FundingApproximately $7,200,000 is the overall program pool across awards, NOT an individual applicant grant. Individual award ceiling and any per-track funding range are not verified from the complete controlling RFR.
DeadlineDecember 21, 2026, at 5:00 p.m., according to MassDEP and COMMBUYS solicitation BD-27-1045-BWR00-BWR01-133107. Explicit time zone not stated in the sources reviewed.
Last verified2026-10-31
Required next actionOpen official MassDEP Long Island Sound Nitrogen Reduction Infrastructure Grant FY26 RFR and Budget Attachment C at COMMBUYS solicitation BD-27-1045-BWR00-BWR01-133107. Verify award ceiling, any match, reimbursement requirements, project restrictions and submission instructions before applying by December 21, 2026 at 5:00 p.m. Deadline time zone not independently stated.
Broad Eligibility
Massachusetts publicly owned treatment works discharging into the Long Island Sound watershed in the Connecticut, Housatonic or Thames river basins, and regional planning agencies acting for those facilities. The grant funds nitrogen-reduction facility assessments, planning, design, eligible equipment and construction. Verify controlling RFR for conditions.
Atlas Analysis
October 31, 2026: Verified current MassDEP state grant webpage and official COMMBUYS notice BD-27-1045-BWR00-BWR01-133107 (posted September 3, 2026), listing $7.2 million aggregate applicant financial assistance to Massachusetts wastewater facilities in Connecticut, Housatonic and Thames watershed areas, with completion by September 30, 2031. Genuine grant despite its listing on government procurement portal: COMMBUYS class 00-00-00 Grant Opportunity, not a vendor purchasing contract. Official deadline December 21 2026 at 5 p.m., no explicit timezone in pages examined. Complete controlling RFR DOCX and budget sheet were listed as attachments but not independently inspected. Unknown individual applicant award cap, matching and reimbursement terms must NOT be assumed from nonofficial aggregators. HOLD in Pending Review; no protected approval until full solicitation verification and approval safeguards are satisfied. Published and pending title checks returned no duplicate.
The Massachusetts Department of Environmental Protection (MassDEP) is accepting applications for its FY2026 Long Island Sound Partnership Nitrogen Reduction Infrastructure Grants. The program offers financial assistance to improve wastewater nitrogen reduction in the Massachusetts portions of the Connecticut, Housatonic, and Thames River watersheds draining to Long Island Sound. MassDEP identifies approximately $7,200,000 in overall program funding; this is a shared program allocation, not an amount available to each applicant.
Application deadline: December 21, 2026, at 5:00 p.m. The official MassDEP listing and COMMBUYS notice identify this date and time without an independently verified time zone. The official solicitation is BD-27-1045-BWR00-BWR01-133107, posted September 3, 2026.
Eligible applicants: Publicly owned treatment works discharging within the Long Island Sound watershed in Massachusetts, and regional planning agencies applying on their behalf. Proposed work must concern nitrogen reduction solutions serving qualifying Massachusetts wastewater treatment plants in the specified watersheds.
Potential uses: Facility assessments, project planning, engineering and design, personnel, eligible equipment purchases and construction for wastewater nitrogen reduction. MassDEP indicates a preference for shovel-ready projects or those nearing design and permitting completion. Supported work must be completed by September 30, 2031.
Funding and conditions: MassDEP states a total program allocation of approximately $7.2 million. The individual award cap, cost sharing or matching rules, reimbursement terms, detailed exclusions, attachment requirements and submission mechanism have not yet been independently verified against the complete controlling Request for Responses. These terms must be checked before relying on this listing for an application.
How to apply: Review the full MassDEP FY26 Long Island Sound Partnership Nitrogen Reduction Infrastructure Grant Request for Responses and its attached budget spreadsheet through the official state website and COMMBUYS solicitation. Follow the controlling instructions and any subsequent amendments. See MassDEP funding guidance and the official COMMBUYS grant notice.
Source verificationOfficial government source · www.mass.govAtlas last verified this record 2026-10-31. Always use the funder's current application materials, amendments and portal instructions as the controlling source.View source and application materials ↗
