There is reference is several locations to canals. See here. There are also separate regs for some canals.
Brazeau Canal (3-46-11-W5) – Open all year – Pike limit 3 (no size limit).
B. For other PP2 Streams, canals and tributaries, not included under (A) and for fish species not mentioned at a listed stream.
May 16 to Mar. 31 – Walleye and Sauger limit 3; Walleye over 50 cm; Pike limit 3 over 63 cm; (where present, Trout limit 2; Mountain Whitefish limit 5 over 30 cm; Perch limit 15; Lake Whitefish limit 10; Burbot limit 10; Goldeye limit 10); Bait allowed.
B. For other PP1 Streams, canals and tributaries, not included under (A) and for fish species not mentioned at a listed stream.
May 8 to Mar. 15 – Walleye and Sauger limit 3; Walleye over 50 cm; Pike limit 3 over 63 cm; (where present, Trout limit 2; Mountain Whitefish limit 5 over 30 cm; Perch limit 15; Lake Whitefish limit 10; Burbot limit 10; Goldeye limit 10); Bait allowed.
Carseland Irrigation Canal between McGregor Lake and the drop structure situated 1 km upstream of Sec. Rd. 542.
May 8 to Aug. 31 – Walleye limit 0; Pike limit 3 over 63 cm; Perch limit 15; Lake Whitefish limit 10; Burbot limit 10.
Sept. 1 to Nov. 30 – CLOSED
Dec. 1 to Mar. 15 – Walleye limit 0; Pike limit 3 over 63 cm; Perch limit 15; Lake Whitefish limit 10; Burbot limit 10.
Mar. 16 to May 7 – CLOSED
Crawling Valley Reservoir, including the Crawling Valley Inlet Canal downstream of the canal headworks (Little Dam) (3-21-18- W4) – Walleye limit 0; Pike limit 3 over 63 cm; Perch limit 15; Lake Whitefish limit 10; Burbot limit 10.
May 8 to Nov. 30 – Open only between sunrise and sunset each day.
Dec. 1 to Mar. 15 – Open 24 hrs. a day.
Mar. 16 to May 7 – CLOSED
Little Bow Reservoir & Inlet Canal
May 8 to Mar. 15 – Walleye limit 1 over 55 cm; Pike limit 3 over 63 cm; Perch limit 15; Lake Whitefish limit 10; Burbot limit 10.
Mar. 16 to May 7 – CLOSED