Title 43 › CHAPTER 12B — COLORADO RIVER STORAGE PROJECT › § 620o
Defines key river and water terms used in this chapter. The names Colorado River Basin, Colorado River Compact, Colorado River System, Lee Ferry, States of the Upper Division, Upper Basin, and domestic use all mean what Article II of the Upper Colorado River Basin Compact says. "States of the Upper Colorado River Basin" means Arizona, Colorado, New Mexico, Utah, and Wyoming. "Upper Colorado River Basin" is the same as "Upper Basin." The "Upper Colorado River Basin Compact" is the agreement signed October 11, 1948 and approved by Congress April 6, 1949 (63 Stat. 31). The "Rio Grande Compact" was signed March 18, 1938 and approved May 31, 1939 (53 Stat. 785). The "Treaty with the United Mexican States" was signed February 3, 1944 in Washington, D.C., about using the Colorado River and related rivers, and was changed by a protocol on November 14, 1944 and the Senate resolution of April 18, 1945.
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43 U.S.C. § 620o
Title 43, Public Lands
Last Updated
Aug 21, 2026
Release point: 119-102