What's New Polar Plunge 2013 By Aberdeen Magazine | July/August 2013 Polar Plunge 2013 Jump for Special Olympics. Some lake lovers just couldn’t wait for summer. On April 28 over 140 participants “plunged” into the frigid waters of Wylie Lake. This year’s Polar Plunge fundraiser raised over $33,000 for Special Olympics in South Dakota. // Back Share