Lake Manitoba update: July 16, 2017

The gauge at Westbourne has been offline since late Thursday therefore I am using the readings for both Steep Rock and Westbourne from midnight Thursday for this week’s estimate of the lake level. It appears that Lake Manitoba has fallen in the hot weather to 813.40 feet, down 0.07 feet from last week. Lake St. Martin has also fallen to 803.08 feet today: this level is still above flood level. Flow on the Fairford River remains high at 12,713 cfs. The level of Lake Winnipegosis fell this week to 833.66 feet, and flow on the Waterhen River has fallen as a consequence to 9,888 cfs. Flow on the Whitemud River fell further to a trickle of just 122 cfs. Flow on the Assiniboine fell to 1,218 cfs at Holland and 1,589 cfs at Headingly. The level of the Shellmouth Reservoir fell slightly to 1402.76 feet this week.

River update
Time: 6:00 PM July 16, 2017
Portage Diversion: closed
Assiniboine at Holland: 1,218 cfs
Assiniboine at Headingly: 1,589 cfs
Waterhen: 9,888 cfs
Whitemud: 122 cfs
Fairford: 12,713 cfs
Lake update
Time: 6:00 PM July 16, 2017
Steep Rock: 813.55 ft (reading from Thursday midnight)
Westbourne: 813.25 ft (reading from Thursday midnight)
Mean level Lake Manitoba: 813.40 ft
Lake Manitoba desired operating range: 810.5 to 812.5 ft
Lake St. Martin: 803.08 ft
Lake St. Martin desired operating range: 797.0 to 800.0 ft
Lake Winnipegosis: 833.66 ft
Shellmouth Reservoir: 1402.76 ft


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