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New York State Canal Corporation

Notice to Mariners

Cayuga-Seneca Canal – Seneca Falls

July 21, 2023

Mariners are advised that starting Monday, July 24th, the upper navigation pool at Cayuga Seneca Canal Lock CS-2/3 in Seneca Falls will be temporarily raised to normal navigation level by the local hydroelectric operator as part of an on-going maintenance project.

After 48 hours, water levels will then be lowered to the previously reduced levels until further notice.

A chart covering the affected area can be found at and

Features along the Seneca Lake spur of the Cayuga-Seneca 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.