Notice
Harmful Algae Bloom Area Extended: Champlain Canal - Fort Edward to Whitehall
Notice to Mariners
August 6, 2025
Champlain Canal – Fort Edward to Whitehall
Mariners are advised of harmful algae blooms (HAB) that were originally reported at several locations in the Canal have now been extended to between Champlain Canal Lock C-7 in Ft. Edward and Lock C-12 in Whitehall, at the south (upper) end of the lock.
Exposure to HABs and toxins can cause symptoms such as diarrhea, nausea or vomiting; skin, eye or throat irritation and allergic reactions or breathing difficulties. People and pets should avoid contact with HABs and should rinse off with clean water if contact occurs.
No swimming or other water related activities should be attempted in these areas of the Canal. Boaters should use gloves when handling lines in the lock chamber. Avoid water contact while condition persists.
A chart covering the affected area can be found 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 www.canals.ny.gov or follow the Canal Corporation on Facebook, Instagram, Twitter, or LinkedIn.
In case of emergencies, please call the Canal Corporation’s Emergency Call Center at 833-538-1042.