MassDEP Currently Accepting Applications for Key Water and Stormwater Grants

Stormwater MS4 Municipal Assistance Grant Application Due October 3 

MassDEP is currently accepting applications for the FY26 Stormwater MS4 Municipal Assistance Grant Program. The deadline to apply is October 3, 2025.  

Funding supports projects that will help communities meet the requirements of the 2016 Small Municipal Separate Storm Sewer System (MS4) General Permit. The objective of the permit is to reduce stormwater pollution through coordinated partnerships and resource sharing.  

Eligible applicants include groups of two or more Massachusetts Municipalities that are subject to the 2016 Small MS4 General Permit, regional planning agencies acting on behalf of two or more eligible municipalities, stormwater coalitions, or non-profits acting on behalf of two more eligible municipalities.   

 Eligible projects include but are not limited to:  

• Assessment tools for identifying retrofit sites 
• Data intake and field certification tools for best management practices  
• Formation of new regional MS4 coalitions or stormwater enterprise funds 
• MS4 capital investments 
• Outreach and education services, materials, and strategies 
• Survey research 
• Asset management tools for tracking and maintaining stormwater infrastructure 
• MS4 job training opportunities  

Awards may range from $50,000 to $75,000 per applicant, with a total program funding of $250,000. An informational webinar will be held on September 10, 2025. Interested attendees must contact Courtney Starling via email at Courtney.starling@mass.gov with ‘FY 2026 MS4 Pre-Application Meeting Details’ in the email subject line. 

For more information visit MassDEP’s page for the Stormwater MS4 Municipal Assistance Grant.   

Water Management Act Grant Application Due October 3 

MassDEP is currently accepting applications from Public Water Suppliers for the Water Management Act Grant Program. Applications are due October 3, 2025.  

Funding supports projects providing planning assistance for drought and resiliency planning, rate studies, and implementation assistance for demand management, minimization, and mitigation activities for new withdrawal impacts.  

Eligible applicants include public water suppliers with a WMA permit or permit application under review, or public water suppliers with a WMA registration. Cooperative proposals are encouraged.  

Awards may range from $20,000 to $600,000 per applicant with total program funding of $1,000,000. For more eligibility requirements and resources visit the MassDEP website.  

Let Capital Strategic Solutions assist with your grant writing, research, and compliance needs.