This part shall not apply to the Tennessee Valley Authority, but the Authority is authorized to recognize and provide for recreational and other public uses at any dams and reservoirs heretofore or hereafter constructed in a manner consistent with the promotion of navigation, flood control, and the generation of electrical energy, as otherwise required by law, nor to projects constructed under authority of the Small Reclamation Projects Act, as amended [
43 U.S.C.
422a et seq.], or under authority of the Watershed Protection and Flood Prevention Act, as amended [
16 U.S.C.
1001 et seq.].