April 28, 2015
Province Advises Portage Diversion will Operate to Maintain Downstream Flow Along Assiniboine River from Portage la Prairie to Winnipeg
The Hydrologic Forecast Centre of Manitoba Infrastructure and Transportation reports the Portage Diversion will be operated today to maintain a maximum flow of 12,000 cubic feet per second (cfs) down the lower Assiniboine River.
Flows coming along the Assiniboine River into the Portage Reservoir are forecast to peak at 13,000 cfs over the weekend. The average daily flow through the Portage Diversion will be 500 cfs over 14 days with an approximate peak flow of 1,000 cfs.
The operational forecast is based on a dry 10-day precipitation forecast. The Hydrologic Forecast Centre will continue to monitor weather conditions and update the operational forecast as necessary.
Lake Manitoba is currently at 813.23 feet, 0.73 ft. above normal operating range, but below flood stage for structures (814 ft.). Inflow to Lake Manitoba from the Waterhen River is currently at 8,200 cfs. Inflow to Lake Manitoba from the Whitemud River is currently at 300 cfs. Outflow from Lake Manitoba through the Fairford River is currently at 11,100 cfs.
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