In the meantime, the drainage basin on the other (Agassiz) side of the continental divide from the Mississippi headwaters has been experiencing very high levels

In the meantime, the drainage basin on the other (Agassiz) side of the continental divide from the Mississippi headwaters has been experiencing very high levels. (Following long-term flooding this spring.) Manitoba reports: "Inflows were the highest-ever recorded and due to exceptional precipitation across southern Manitoba and Northwest Ontario this spring, especially in the Winnipeg River and Red River watersheds." - https://www.hydro.mb.ca/corporate/facilities/water_levels/ https://www.hydro.mb.ca/corporate/facilities/water_levels/ FWIW, historically, the lands up there haven't been 'improved' very much.