The Big Falls Dam in Waupaca County, Wisconsin, has stabilized after heavy rains prompted a flash flood warning. Issued on April 14, 2026, the warning expired at 4:15 p.m. the same day. Zac Van Asten, the Waupaca County Emergency Management Director, confirmed that the dam has not breached, and its sand, dirt, and gravel embankments have held. Water levels on the Little Wolf River are receding, and the National Weather Service forecasts less rain than initially expected.