43 U.S.C. § 383 : US Code - Section 383: Vested rights and State laws unaffected

Search 43 U.S.C. § 383 : US Code - Section 383: Vested rights and State laws unaffected

Nothing in this Act shall be construed as affecting or intended
to affect or to in any way interfere with the laws of any State or
Territory relating to the control, appropriation, use, or
distribution of water used in irrigation, or any vested right
acquired thereunder, and the Secretary of the Interior, in carrying
out the provisions of this Act, shall proceed in conformity with
such laws, and nothing herein shall in any way affect any right of
any State or of the Federal Government or of any landowner,
appropriator, or user of water in, to, or from any interstate
stream or the waters thereof.