ST. PAUL, Minn. — Governor Tim Walz activated the Minnesota National Guard for emergency flood operations. “Intense rain has had catastrophic effects. leaving entire communities under feet of water,” Walz said. The state had received a specific request for National Guard assistance from the Le Sueur for help, Walz said. Waterville, population 1,800, experienced 14 to18 inches of rain. The Tetonka Sakata and Cannon rivers in Le Sueur, Rice, Dakota,and Goodhue counties all reached uncontrollable levels and also forced evacuation.