43 U.S.C. § 1597 — Construction of provisions of subchapter

Except as provided in sections 620d(d)(5), 1543(g)(2), and 1595(b) of this title, with respect to the Colorado River Basin Project Act [ 43 U.S.C. 1501 et seq.] and the Colorado River Storage Project Act [ 43 U.S.C. 620 et seq.], respectively, nothing in this subchapter shall be construed to alter, amend, repeal, modify, interpret, or be in conflict with the provisions of the Colorado River Compact ( 45 Stat. 1057 ), the Upper Colorado River Basin Compact ( 63 Stat. 31 ), the Water Treaty of 1944 with the United Mexican States (Treaty Series 994; 59 Stat. 1219 ), the decree entered by the Supreme Court of the United States in Arizona against California and others (376 U.S. 340), the Boulder Canyon Project Act ( 45 Stat. 1057 ) [ 43 U.S.C. 617 et seq.], Boulder Canyon Project Adjustment Act ( 54 Stat. 774 ; 43 U.S.C. 618a ) [ 43 U.S.C. 618 et seq.], section 15 of the Colorado River Storage Project Act ( 70 Stat. 111 ; 43 U.S.C. 620n ), the Colorado River Basin Project Act ( 82 Stat. 885 ), section 6 of the Fryingpan-Arkansas Project Act ( 76 Stat. 393 ) [ 43 U.S.C. 616e ], section 15 of the Navajo Indian irrigation project and initial stage of the San Juan-Chama Project Act ( 76 Stat. 102 ) [ 43 U.S.C. 615ww ], the National Environmental Policy Act of 1969 [ 42 U.S.C. 4321 et seq.], and the Federal Water Pollution Control Act, as amended [ 33 U.S.C. 1251 et seq.].