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Waterways facilities

We provide one of the premier boating programs in the country.

  • 82 state-sponsored harbors (19 state-managed harbors and 63 local state-sponsored harbors of refuge).
  • 1,300-plus state and local boating access sites.
  • two state lock/dam systems owned and administered by DNR.
  • 6,000-plus boat slips spread across state and local harbors.
Explore Michigan boating

Key project updates

  • Two key boating access sites on Old Mission Peninsula – East Arm and Bowers Harbor – will receive significant upgrades, including paving. These improvements will enhance public recreational boating opportunities in the Grand Traverse area. Construction is anticipated in 2025. Details can be found below.

  • In September 2023, a fire at the Great Lakes Tissue plant led to the shutdown of the plant’s hydroelectric generator. The Great Lakes Tissue hydroelectric facility played a key role in water level management through “fine-tuned” incremental adjustments to water levels. Without these adjustments, the DNR must exclusively use the six gates at the Cheboygan Dam to manage water levels. 

    Beginning Oct. 15, the Inland Waterway will undergo its seasonal drawdown. Water levels in the Inland Waterway, especially in areas along the Cheboygan River and Mullet Lake, will decrease by approximately 12 inches until March 31. This allows for better management during spring thaw and runoff. Water levels will then be replenished starting April 1, with the goal of reaching the target lake level of 593.1 feet by April 15, depending on weather conditions. In the summer, lake residents and boaters along the Inland Waterway may experience larger water level fluctuations.

    Learn more about Mullett Lake water levels »

Boating Infrastructure Grants

Provides federal funding assistance for the design and construction of public recreational harbor facilities serving transient boaters. Local units of government, public universities and private facilities are eligible.

Michigan Boating Pumpout Grants

Provides funding for new or upgraded marine sewage disposal facilities, pumpouts and dump stations. Grants are provided to both private and public boating facilities, as long as they are open to the public.

Waterways Program Grants

Provides financial and technical assistance for design and construction of public recreational boating facilities, including state-sponsored harbor and mooring facilities. Only local units of government and public universities are eligible to apply.