City of Delafield Police Department responded to a report of a possible drowning at the Nagawicka County Boat Launch at around 12:30 p.m. on Saturday.Upon arrival, officers were able to determine that a boat with five people on board went out on the lake when one entered the water on the lake's north end and did not resurface.Search and rescue teams were dispatched throughout the lake. The person was found but was pronounced deceased on the scen…