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New York State Canal Corporation

Notice to Mariners

Champlain Canal – Stillwater and Northumberland

June 15, 2023

Mariners are advised that the previously announced maintenance by Stillwater Hydro has been completed.  Water levels in the Canal from Champlain Canal Lock C-4 in Stillwater to Lock C-5 in Northumberland are currently returning to normal.

A chart covering the affected area can be found at and

Features along the eastern portion of the Erie Canal are listed by mileage at

The Canal Corporation urges all users and stakeholders to register to receive updates through the Notice to Mariners notification program by clicking here.

For general news, please visit or follow the Canal Corporation on FacebookInstagramTwitter, or LinkedIn.

In case of emergencies, please call the Canal Corporation’s Emergency Call Center at 833-538-1042.