In February 2017, California’s Oroville Dam received national attention as a narrowly averted flood disaster. A decade earlier—in June 2008—it was Wisconsin’s turn: Near the popular tourist destination city Wisconsin Dells, excessive rainfall eroded the highway that formed part of the Lake Delton Dam, resulting in a torrential washout into the Wisconsin River 40 feet below. It swept away three homes, destroyed two others, and left the lake drained for months.