NRC Reports 812093 and 812097: At approximately 17:00 local time on September 20, 2006 a sheen was discovered on the Oconalustee River at the Cherokee NC Water Treatment Plant, on lands of the Eastern Band of Cherokee Indians. Local responders determined that the release was coming from a underground storage tank at a nearby service station. The Water Treatment Plant was subsequently shut down and a request for EPA assistance was issued. An OSC was dispatched to the Site.