Individual was fishing near the base of the Williams Dam when his trolling motor became inoperable due to fishing line entangled around the prop.  As he worked on the trolling motor he was unaware the vessel was being drawn toward the dam.  The vessel slammed into the dam several times before filling up with water and capsizing.  The operator abandon ship and found his way to shore.  He was wearing a PFD at the time of the incident.
Williamsport