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New York State Canal Corporation

Notice to Mariners

Cayuga-Seneca Canal – Waterloo

July 14, 2023

Mariners are advised of a short-term closure at Cayuga-Seneca Canal Lock CS-4 in Waterloo on Monday, July 17th, at 7:00 a.m. for maintenance.  It is anticipated that the lock will reopen at 10:00 am on the same day.

Boaters should plan itineraries accordingly.

Chart 14786 CS-3 covering the affected area can be found at

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.