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 [ et seq.] and the Colorado River Storage Project Act [ 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 (), the Upper Colorado River Basin Compact (), the Water Treaty of 1944 with the United Mexican States (Treaty Series 994; ), 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 () [ et seq.], Boulder Canyon Project Adjustment Act (; ) [ et seq.], section 15 of the Colorado River Storage Project Act (; ), the Colorado River Basin Project Act (), section 6 of the Fryingpan-Arkansas Project Act () [], section 15 of the Navajo Indian irrigation project and initial stage of the San Juan-Chama Project Act () [], the National Environmental Policy Act of 1969 [ et seq.], and the Federal Water Pollution Control Act, as amended [ et seq.].43 U.S.C. 150143 U.S.C. 62045 Stat. 105763 Stat. 3159 Stat. 121945 Stat. 105743 U.S.C. 61754 Stat. 77443 U.S.C. 618a43 U.S.C. 61870 Stat. 11143 U.S.C. 620n82 Stat. 88576 Stat. 39343 U.S.C. 616e76 Stat. 10243 U.S.C. 615ww42 U.S.C. 432133 U.S.C. 1251