A search has been launched for a possible drowning victim. Emergency crews are looking for a teen who was swimming in Union township, near 275 in Clermont County. The 19-year old reportedly tried to swim across a 2 acre lake at the Harbor Cove apartments off Hopper Hill road. Witnesses say they saw the swimmer struggling in the middle of the water on his way back across the lake. Divers entered the water an hour after the 9-1-1 call. They say the location of the lake, the heat, and the depth of the water all present challenges. The spring water in the quarry is a cold 40 degrees, which makes it harder for divers to stay in for long periods of time. The task force will be there throughout the night. So far the victim's name has not been released.