Another dry week means that river flows are falling and lake levels are stable or dropping. The level of Lake Manitoba is 811.49 feet with wind pushing water eastward. This has caused Fairford flows to rise from last week to 2,663 cfs when winds were in the opposite direction. The level of Lake St. Martin is down from last week to 798.35 feet. Flow on the Assiniboine at Holland is 4,273 cfs, and 4,132 cfs at Headingly, and is dropping at both locations. Flow on the Whitemud River fell to 388 cfs after a dry week. The flow on the Waterhen is down to 3,920 cfs with shifting winds affecting the level of Lake Winnipegosis that is currently 830.90 feet. Flow on the Dauphin River is up to 3,814 cfs. The level of the Shellmouth Reservoir continues to rise reaching at 1401.80 feet this morning.
River update
Time: 6:00 AM May 18, 2020
Portage Diversion: closed
Assiniboine at Holland: 4,273 cfs
Assiniboine at Headingly: 4,132 cfs
Waterhen: 3,920 cfs
Whitemud: 388 cfs
Fairford: 2,663 cfs
Dauphin: 3,814 cfs
Lake update
Time: 6:00 AM May 18, 2020
Steep Rock: 811.50 ft
Westbourne: 811.47 ft
Mean level Lake Manitoba: 811.49 ft
Lake Manitoba desired operating range: 810.5 to 812.5 ft
Lake St. Martin: 798.35 ft
Lake St. Martin desired operating range: 797.0 to 800.0 ft
Lake Winnipegosis: 830.90 ft
Shellmouth Reservoir: 1401.80 ft
Extracted from the Environment and Climate Change Canada Real-time Hydrometric Data web site (https://wateroffice.ec.gc.ca/mainmenu/real_time_data_index_e.html) on May 18, 2020.
Association of Lake Manitoba Stakeholders 