Waterways Grant-in-Aid Program Grants support Michigan public harbor and boating access projects, funding engineering studies and infrastructure improvements to serve recreational boaters.
Funder: Michigan Department of Natural Resources
Due Dates: February 1, 2027 (Harbor plan approval) | April 1, 2027 (Application)
Funding Amounts: Approximately $3.4 million appropriated for FY2026; grants generally cover 50% of estimated project cost
Summary: Funds engineering studies and infrastructure improvements at Michigan grant-in-aid harbors and public boating access sites.
Key Information: Funded facility improvements carry obligations for at least 20 years from the latest grant award.
The Michigan Department of Natural Resources (DNR) Waterways Grant-in-Aid Program supports preliminary engineering studies and infrastructure improvements at grant-in-aid harbors and public boating access sites. Eligible work includes harbor development and boating access site construction. Preliminary studies can address facility design, surveys, feasibility, environmental and historical matters, and permitting.
DNR staff review projects for technical merit and priority, with awards dependent on funding appropriation. Large construction projects need a completed preliminary engineering study and permit approval before grant consideration. Harbor proposals are considered alongside facility plans addressing dredging, infrastructure replacement, and maintenance.