the Corps of Engineers should consult with Western States to ensure, to the maximum extent practicable, that operation of flood control projects in prior appropriation States is consistent with the principles of the first section of the Act of December 22, 1944 (commonly known as the “Flood Control Act of 1944”) (58 Stat. 887, chapter 665;
33 U.S.C. 701–1) and section 301 of the Water Supply Act of 1958 (
43 U.S.C. 390b).