MAY 2025 Update for Footprint Lake & Other Water Levels

To assist leadership in communicating with their members, Manitoba Hydro has provided the following Notice of Operation updates.

For water level and flow information including near real-time water levels and 14-day forecast estimates, please visit Manitoba Hydro’s website Water levels & flows (hydro.mb.ca)

On May 1, 2025 the level of Footprint Lake is forecasted to be 795.7 feet. The level of the lake is expected to rise 2 feet 8 inches to elevation 798.4 feet by the third week of the month and remain fairly constant near elevation 798.4 feet until the end of May.

During the month of June the level of the lake is expected to fall 3 inches 798.3 feet by the fourth week of the month and then rise 2 inches to elevation 798.5 feet by the end of the month.

On May 1, 2025 the Southern Indian Lake inflow is forecast to be 21,500 cubic feet per second (cfs). The lake inflow is expected to gradually increase to 24,500 cfs by , be increased on May 4 to 28,100 cfs, increased on May 5 to 34,500 cfs, increased on May 6 to 39,100 cfs, increased on May 7 to 42,600 cfs, gradually increase to 49,900 cfs by the first week of the month, increased on May 11 to 53,500 cfs, gradually increase to 58,900 cfs by the second week of the month and then gradually decrease to 44,700 cfs by the end of May.

During the month of June the inflow is expected to gradually decrease to 31,700 cfs by the third week of the month and then gradually decrease to 28,300 cfs by the end of the month.

On May 1, 2025 the outflow from Notigi C.S. is forecasted to be 26,100 cubic feet per second (cfs). The outflow is expected to gradually increase to 31,900 cfs by the end of May.

During the month of June the outflow is expected to gradually increase to 32,200 cfs by the end of June.

On May 1, 2025 the Odei River flow is forecasted to be 1,000 cubic feet per second (cfs). The flow is expected to gradually increase to 6,100 cfs by the second week of the month and then gradually decrease to 2,800 cfs by the end of May.

During the month of June the flow is expected to gradually decrease to 1,500 cfs by the end of the month.