The Water Resources Planning Act of 1965, sec. 402, Pub. L. 89-80, 79 Stat. 245 (42 U.S.C. 1962d-1), the National Environmental Policy Act of 1969, as amended (42 U.S.C. 4321 et seq.), the National Flood Insurance Act of 1968, as amended (42 U.S.C. 4001 et seq.), the Flood Disaster Protection Act of 1973, as amended (87 Stat. 975), E.O. 11988 and E.O. 11990 (42 FR 26951).