Hall County emergency responders retrieved a teen’s body Thursday from Cedar Creek Reservoir in East Hall. The 15-year-old had been swimming with friends at the reservoir, said Hall County Sheriff’s Office spokesman John Marshall. The call reporting a possible drowning came in at 1:41 p.m. The teen’s body was retrieved at 2:48 p.m. about 100 feet from shore in water that was 28 feet deep, Hall County Fire Services Chief David Kimbrell said.