- Places and maintains over 2,000 aids to navigation, speeds zones, hazards, and other regulatory markers in support of natural resource areas and the
- Provides charting and ice-breaking services; and
- Assists in the removal of tons of dangerous debris and abandoned boats from public waterways
Aids to Navigation
The Department of Natural Resources Hydrographic Operations works with the U.S. Coast Guard (USCG) to mark the
major channels for the State of Maryland and places regulatory and danger buoys
and signs statewide.
Notice of missing, damaged, or off station Aids to Navigation should be reported
to the USCG Sector Baltimore at 410-576-2525.
To obtain a new buoys or sign, or to request relocation of an existing buoy
complete and submit a Buoy Request Form
For more information on this program, please contact Ann Williams by e-mail at
or call (410) 643-6521. As always, the department will continue to mark navigational channels, speeds zones and hazards.