Every November the large lock at the Hiram M. Chittenden Locks is emptied for maintenance.
Every November the large lock at the Hiram M. Chittenden Locks is emptied for maintenance.
The large lock is 825 feet long and 80 feet wide and when filled, it takes about 25 million gallons. Refilling is expected to begin Friday morning.
The locks connect the fresh water of Seattle’s Lake Washington, Lake Union and Salmon Bay to the salty tidal waters of Puget Sound and consists of two sets of locks, a spillway and a fish ladder.