U.S. Department of the Interior |  Bureau of Reclamation |  Lower Colorado Region
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Welcome to the Bureau of Reclamation's
Lower Colorado Region
Managing the lower Colorado River and water resource projects and programs in Arizona, southern California, and southern Nevada.
(Click on images above for more infomation. Place cursor over squares in top right to view images available or use controls.)

Who We Are...

The Bureau of Reclamation's Lower Colorado Region serves as the "water master" for the last 688 miles of the Colorado River within the United States on behalf of the Secretary of the Interior. We also maintain Hoover, Davis and Parker Dams, annually measure and account for the water's use, and maintain the river channel and protective levees. More...


Features & News...

Newsroom GraphicLatest Regional News
Read all about it! -- the most recent news about our activities and programs throughout the Southwest.


Intl Bridge Building Contestnew buttonResults, photos and videos of the 35th Annual International Bridge Building Contest are available. Sponsored by Reclamation, this event welcomed 51 competitors from throughout the U.S. and the world.


CRB Study Graphicnew buttonUpdated Technical Reports for the the Colorado River Basin Water Supply & Demand Study are available. The study is analyzing water supply and demand imbalances in the basin, and is developing options to address these issues.


arizona centennial logoWebsite Celebrates 100 years of cooperation in Arizona illustrating, decade by decade, the water development benefits for the state's cities, farms, and tribal lands. Also see a video introduction from Reclamation Commissioner Connor.


Climate Change Report GraphicInterior Releases Report Highlighting Impacts of Climate Change to Western Water Resources - News Release, Report


Climate R&D GraphicClimate Research & Development in the Colorado River Basin - We're investigating new methods for projecting possible future Colorado River flows that take into account variabilities due to a changing climate.

   Map of Region Colorado River Water
    Reservoir Water Levels
    River Water Use
    River Water Contracts
    Law of the River
    River Management Strategies
    All River Operations Info...

General Info & Photos
    Photos and Videos
    Photo Database
    Reports and Brochures
    News Releases
    Dams & Reservoirs
    Jobs
    New Employee Info

Activities
    Hoover Dam Tours
    Grants and Contracts
    Tribal Assistance
    Water Conservation
    More Activities...

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Lower Colorado Regional Office, PO Box 61470, Boulder City, NV 89006
phone:702-293-8000 or visit our Contact Us page


Webmaster: Colleen Dwyer, cdwyer@usbr.gov
Updated: May 11, 2012