Works financed by loans made under sections 421a to 421h of this title shall be subject to all procedural and substantive requirements of the Fish and Wildlife Coordination Act [16 U.S.C. 661 et seq.], the Federal Water Pollution Control Act, as amended [33 U.S.C. 1251 et seq.], and the National Environmental Policy Act of 1969 [42 U.S.C. 4321 et seq.].