[Code of Federal Regulations] [Title 33, Volume 3] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR239.7] [Page 330] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER II--CORPS OF ENGINEERS, DEPARTMENT OF THE ARMY, DEPARTMENT OF DEFENSE PART 239_WATER RESOURCES POLICIES AND AUTHORITIES: FEDERAL PARTICIPATION IN COVERED FLOOD CONTROL CHANNELS--Table of Contents Sec. 239.7 Separation of flood control works from urban drainage. Covered channels are likely to be considered in boundary areas demarking urban drainage and flood control. Reporting officers shall apply the policies given in ER 1165-2-21 to separate flood control facilities from urban drainage facilities.