Lake Delhi's Massive Loss Iowa Public Radio Published December 13, 2012 at 5:30 AM CST Facebook Twitter LinkedIn Email Listen • 3:31 1 of 3 Rick Fredericksen 2 of 3 Rick Fredericksen 3 of 3 It was almost 2 and a half years ago when flooding swamped Lake Delhi; the dam washed out, and the lake vanished down river. Today, efforts are underway to bring it back. The economic impact is mounting.