Lake Manitoba update: August 9, 2020

Another dry week and lake levels and river flows continue to decline. Strong southwest winds are pushing water northeast in Lake Manitoba, raising the outflow at Fairford to 3,132 cfs today. The estimate of the level of Lake Manitoba is 811.25 feet but that is wind affected. Inflow from the Waterhen River is down on the week to 3,920 cfs. Flow on the Whitemud is dropping and is now just 44 cfs. Flow on the Assiniboine continues to drop, to 1,487 cfs at Holland and 1,381 cfs at Headingly. The level of Lake St. Martin is down to 797.88 ft and flow on the Dauphin River is up to 2,574 cfs. Lake Winnipegosis is up to 830.87 feet. The level of the Shellmouth Reservoir down slightly to 1402.98 feet.

River update

Time: 12:30 PM August 9, 2020

Portage Diversion: closed

Assiniboine at Holland: 1,487 cfs cfs

Assiniboine at Headingly: 1,381 cfs

Waterhen: 3,920 cfs

Whitemud: 44 cfs

Fairford: 3,132 cfs

Dauphin: 2,574 cfs

Lake update

Time: 12:30 PM August 9, 2020

Steep Rock: 811.64 ft

Westbourne: 810.86 ft

Mean level Lake Manitoba: 811.25 ft

Lake Manitoba desired operating range: 810.5 to 812.5 ft

Lake St. Martin: 797.88 ft

Lake St. Martin desired operating range: 797.0 to 800.0 ft

Lake Winnipegosis: 830.87 ft

Shellmouth Reservoir: 1402.98 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 August 9, 2020.

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