Funding
Current Funding Opportunities
The Hawaiian Islands Environmental Finance Center (HIEFC) team offers a curated list of funding opportunities that support the development and implementation of water-related projects. This list is maintained by the HIEFC team and updated weekly. For additional assistance, please complete the short intake questionnaire on the Contact Us page.
Small-Scale Water Efficiency Projects
Department of the Interior, Bureau of Reclamation
Application Deadline: June 2, 2026
WaterSMART: Applied Science Grants
Department of the Interior, Bureau of Reclamation
Application Deadline: July 8, 2026 (Second Deadline: April 13, 2027)
WaterSMART Drought Response Program
Department of the Interior, Bureau of Reclamation
Application Deadline: July 28, 2026
Title XVI Water Reclamation and Reuse Projects
Department of the Interior, Bureau of Reclamation
Application Deadline: August 26, 2026 (Second Deadline: August 26, 2027)
WaterSMART Enhancing Water Resources Projects
Department of the Interior, Bureau of Reclamation
Application Deadline: September 9, 2026 (Second Deadline: September 8, 2027)
EDA FY25 Disaster Supplemental
Department of Commerce, Economic Development Administration
Application Deadline: OPEN
FY 2025 EDA Public Works and Economic Adjustment Assistance Programs
Department of Commerce
Application Deadline: OPEN
Emergency Community Water Assistance Grants in Hawaii and Western Pacific
U.S. Department of Agriculture Rural Development
Application Deadline: OPEN
Water & Waste Disposal Loan Guarantees in Hawaii and Western Pacific
U.S. Department of Agriculture Rural Development
Application Deadline: OPEN
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Small Surface Water and Groundwater Storage Projects (Small Storage Program)
WaterSMART Applied Science Grants
WaterSMART Cooperative Watershed Management Program Phase I for Fiscal Year 2025
WaterSMART Small-Scale Water Efficiency Projects For Fiscal Year 2024 and Fiscal Year 2025
Small Surface Water and Groundwater Storage Projects (Small Storage Program)
Rural Decentralized Water System Grant Program
Water Conservation Field Services Program for Fiscal Year 2025
Reducing Lead in Drinking Water Grant Program
WaterSMART Grants: Water and Energy Efficiency Grants for Fiscal Year 2024
WaterSMART Drought Response Program: Drought Resiliency Projects for Fiscal Year 2025
WaterSMART: Title XVI WIIN Act Water Reclamation and Reuse Projects for Fiscal Years 2023 and 2024
WaterSMART Cooperative Watershed Management Program
Technology and Innovation for Assessing Operability and Full Closure of High Consequence Valves
Water Conservation, Recharge, and Reuse Grants
WaterSMART Environmental Water Resources Projects
Rural Decentralized Water System Grant Program
Water Conservation Field Services Program
WaterSMART Planning and Project Design Grants
2023 Inflation Reduction Act Climate-Ready Workforce for Coastal States and Territories Competition
Groundwater and Streamflow Information Program, National Ground-Water Monitoring Network
Technical Assistance and Training Grant Program
WaterSMART Drought Response Program: Drought Resiliency Projects for Fiscal Year 2024
Desalination and Water Purification Research Program: Research Projects
Innovative Water Infrastructure Workforce Development Grant Program
Promoting Readiness and Enhancing Proficiency to Advance Reporting and Data