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Best Water Grants in Connecticut

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Last updated: October 5, 2026. Next update: November 1, 2026.

US $5,000 - US $100,000

Long Island Sound Community Impact Fund

Letter of inquiry due Nov 20, 2026

Long Island Sound Community Impact Fund 2026 RFA

About the Long Island Sound Community Impact Fund (LISCIF)

The Long Island Sound Community Impact Fund (LISCIF) is a partnership among Restore America’s Estuaries, the U.S. Environmental Protection Agency, and the Long Island Sound Partnership. The purpose of LISCIF is to provide technical and financial assistance to communities for addressing environmental issues and to improve the quality and accessibility of the Long Island Sound. Technical assistance will be provided through LISCIF and is available to communities/organizations even if one does not submit a proposal for funding.  

This is the third round of LISCIF funding. Up to $1,200,000 in competitive funding will be awarded to support projects in New York and Connecticut. Project proposals must incorporate Actions of the Comprehensive Conservation and Management Plan (CCMP).  

For LISCIF, the geographic region refers to the Long Island Sound watershed area within New York and Connecticut.

Funding Priorities

LISCIF’s funding priorities are aligned with the CCMP themes and Actions. For 2026, LISCIF’s main funding themes are:

  • Clean Waters and Healthy Watersheds  
  • Thriving Habitats and Abundant Wildlife  
  • Sustainable and Resilient Communities   
  • Informed and Engaged Public  

The Long Island Sound Community Impact Fund aims to build capacity for organizations located in communities affected by environmental and human health risks. The Fund seeks to provide technical assistance for communities and support proposals which ultimately improve access to the Long Island Sound, while reducing overall environmental health risks. Eligible projects and activities will be community-driven and address one of the funding priorities below:   

Funding is available for:   

  • Projects that result in quantifiable pollutant prevention or reduction.   
  • Restoring habitat within the Important Coastal Habitat Types targeted by LIS Partnership.  
  • Projects that foster a diverse balance and abundant populations of fish, birds, and wildlife.    
  • Public engagement, knowledge, and stewardship.  
  • Projects that enhance community resilience and sustainability.   
  • Planning and design that set-the-stage for implementation of water quality projects, eligible habitat restoration projects and resilience projects.   
  • Community-based science projects.  
  • Data management and integration projects.   
  • Other similar activities that the applicant proposes, and EPA approves, that are consistent with Section 119 of the Clean Water Act.
Restore America’s Estuaries

Unspecified amount

Water & Waste Disposal Grant Program in Connecticut

Applications due Sep 30, 2027
The Water & Waste Disposal Loan & Grant Program in Connecticut offers essential funding for the development of clean drinking water and sanitary waste management systems in rural areas. Eligible applicants include state and local governments, nonprofits, and tribes who cannot access commercial credit. This program supports various projects, including water sourcing, sewage treatment, and stormwater management, ensuring safe and sustainable environmental practices for communities in need.
USDA: Rural Development (RD)

Up to US $75,000

Grants for the Control of Aquatic Invasive Species

Applications due Dec 10, 2026
The Connecticut Department of Energy and Environmental Protection offers grants to combat aquatic invasive species, which threaten local ecosystems and economies. Funded by the Connecticut Lakes, Rivers, and Ponds Preservation Account, eligible applicants include state agencies, municipalities, and non-profits. Projects can focus on restoration, research, and public education regarding invasive species management. This initiative promotes the protection of Connecticut's natural water resources and biodiversity, ensuring sustainable environmental practices.
Connecticut Department of Energy and Environmental Protection

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US $15,000 - US $200,000

Long Island Sound Stewardship Fund Grant

Applications due Feb 5, 2027
The Long Island Sound Stewardship Fund Grant provides competitive funding to restore and protect the health of Long Island Sound. Aiming to empower underrepresented communities, this grant supports projects that promote sustainability, resilience, and equity within the watershed of Connecticut and New York. With $400,000 available in 2025, proposals should address the Long Island Sound Comprehensive Conservation and Management Plan (CCMP) and advance environmental justice initiatives.
The New York Community Trust

US $50,000 - US $2,000,000

Long Island Sound Futures Fund Grant Program

Applications due May 20, 2027
The Long Island Sound Futures Fund (LISFF) is offering approximately $12 million in grants to enhance the health and living resources of Long Island Sound. Managed by the National Fish and Wildlife Foundation (NFWF) in collaboration with the U.S. EPA and the Long Island Sound Study (LISS), this initiative seeks innovative proposals to support environmental restoration efforts, leveraging major funding from various agencies and foundations.
National Fish and Wildlife Foundation (NFWF)

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Water Grants in Connecticut Highlights

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Last updated: October 5, 2026. Next update: November 1, 2026.

Grant Insights : Grant Funding Trends in Connecticut

Average Grant Size

What's the typical amount funded for Connecticut?

Grants are most commonly $102,799.

$102,799

Total Number of Grants

What's the total number of grants in Water Grants in Connecticut year over year?

In 2024, funders in Connecticut awarded a total of 44,963 grants.

2022 40,971

2023 41,714

2024 44,963

Top Grant Focus Areas

Among all the Water Grants in Connecticut given out in Connecticut, the most popular focus areas that receive funding are Education, Philanthropy, Voluntarism & Grantmaking Foundations, and Human Services.

1. Education

2. Philanthropy, Voluntarism & Grantmaking Foundations

3. Human Services

Funding Over Time

How is funding for Water Grants in Connecticut changing over time?

Funding has increased by 26.46%.

2022 $3,687,355,257

2023 $3,626,469,446
-1.65%

2024 $4,586,184,577
26.46%

Connecticut Counties That Receive the Most Funding

How does grant funding vary by county?

Fairfield County, New Haven County, and Hartford County receive the most funding.

County Total Grant Funding in 2024
Fairfield County $2,060,422,894
New Haven County $962,256,077
Hartford County $506,655,014
New London County $103,900,627
Litchfield County $100,804,200