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New York State Canal Corporation

Notice to Mariners

Erie and Oswego Canals

September 23, 2022

Mariners are advised of underwater inspections occurring on the Erie and Oswego Canals on the following schedule:

  • Tuesday, September 27th – Three Rivers Terminal (Clay) – Terminal area west of County Highway 57 Bridge (E-71) over the Erie Canal.
  • Thursday, September 29th – Oswego Canal Lock O-2 (Fulton) – Guide Pier above Lock O-2.   

The inspection areas will be marked by commercial diver’s flags while divers are in the water. Boaters should reduce speed and proceed at a "No Wake" speed when transiting these areas.                                

 Charts showing the affected areas can be found at  and                                                                        

Features along the Oswego Canal are listed by mileage at 

In case of emergencies, please call the Canal Corporation Emergency Call Center at: (833) 538-1042.

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