Lake Geneva Regional News WILLIAMS BAY â As of 10 p.m. Tuesday, July 13, crews were still out on Geneva Lake searching for a man in his 20s who had not been seen since he went under water around 3:30 p.m. The man, who is approximately 22-years-old was out tubing on the lake when he fell off the tube and went under water, according to Tom Hausner commander of the Geneva Lake Law Enforcement Agency. He was wearing a life jacket at the time, but the life jacket came off during the incident, Hausner said. After the call came in agencies from Wisconsin and Illinois quickly responded, with as many as 150 responders on scene, Hausner said.