
Lake Cowichan Weir Boat Lock - Lake Cowichan, BC
N 48° 49.467 W 124° 03.692
10U E 422085 N 5408484
The only lock on Vancouver Island.
Waymark Code: WM38BY
Location: British Columbia, Canada
Date Posted: 02/25/2008
Views: 23
A boat lock at the Lake Cowichan weir. The weir was built in 1957 to regulate the flow of water from the lake to the river during the late spring to early fall. The weir keeps approximately 3 feet of additional water in the lake which works out to about 62 million cubic meters of volume that can be released through the summer to maintain a 7 cubic meters per second flow for the Cowichan River under the regulatory instructions of Ministry of Environment. The lock allows the movement of sport boats up to 20 feet in length and under 3.5 feet in draft from the lake to the river and vice versa during this level difference. The operation of the lock generally starts at the beginning of May to late September.
The lock and weir is operated by the owners of the Crofton paper mill, Catalyst. (HnGB4)
Waterway Name: Cowichan River
 Connected Points: Links Lake Cowichan to the River when the lake level is at the weir level.
 Type: Lock
 Date Opened: 01/01/1957
 Elevation Difference (meters): 1.00
 Site Status: Operational
 Date Closed (if applicable): Not listed
 Web Site: Not listed

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