CENTERVILLE, Iowa— The week of August 26, 2013, the U.S. Army Corps of Engineers will be increasing releases from Rathbun Lake in order to support ongoing efforts to revise the Chariton River Basin, Rathbun Lake Regulation Manual, which was last edited in 1980. Releases will be increased from 400 cubic feet per second to 2,500 cfs throughout the day, beginning the morning of Monday, August 26th. The 2,500 cfs releases will be maintained through Thursday, August 29 and then reduced by the end of the day back to approximately 400 cfs.