RedactedNarrative: V#1 was on Lay Lake just North of Lay Dam. V#1 drifted towards the dam and went through one of the open flood gates. V#1 dropped approximately 100ft down Lay Dam into Lake Mitchell. Driver of V#1 stated that he was rigging his fishing line to get ready to fish while his buddy was smoking a cigarette. By the time they looked up they were going through the flood gate.