Management of the Colorado River: Water Allocations, Drought, and the Federal Role: The river runs through seven U.S. states (Wyoming, Colorado, Utah, New Mexico, Arizona, Nevada, and California) and Mexico. Pursuant to federal law, the Bureau of Reclamation (Reclamation, part of the Department of the Interior [DOI]) plays a prominent role in the management of the basin's waters.

More about the Colorado River: https://www.americanrivers.org/river/colorado-river/