Area Offices

The Bureau of Reclamation's Lower Colorado Region manages and helps develop water resources programs and projects throughout the arid Southwest (see map). The headquarters for the Region is located in Boulder City, Nevada, but several other offices provide services to local communities in individual states.

  • Regional Office

    Region 8 map

    Headquarters of the Region located in Boulder City, Nevada, responsible for Colorado River operations and management, and oversight of all Regional activities, including water conservation activities in Hawaii.


    • Boulder Canyon Operations Office

      Lake Mead Sunset

      Manages water and hydropower resources along the last 688 miles of the Colorado River within the United States, and schedules and accounts for the delivery of Colorado River water and power supplies that provide multiple benefits in Arizona, Nevada and California.

    • Lower Colorado Dams Office

      Hoover Dam

      Manages, operates and maintains Hoover, Davis and Parker Dams and their associated powerplants and facilities on the lower Colorado River.

    • Visiting Hoover Dam

      Visitors on Power Plant Tour

      Hosting nearly 1 million visitors each year, this is the place to learn about and explore the wonders of this magnificent site or take an on-line tour.

    • Phoenix Area Office

      Roosevelt Dam

      Administers water management projects and programs throughout Arizona, including water supply and salinity studies, water conservation activities, and technical assistance to Native American Tribes.

    • Southern California Area Office

      Coachella Canal

      Administers water management programs throughout Southern California, including water reclamation and reuse (Title XVI), desalination research, water conservation, drought assistance, technical assistance to Native American Tribes, and water resources planning activities.

    • Yuma Area Office

      Senator Wash and Colorado River Delivers Colorado River water to the United States and Mexico, and is home to one of the world's largest reverse osmosis desalting plants.

Explore

Projects & Places


RWIS Graphic Reclamation Water Information System

RWIS makes water and related data available for easy download and use. Visit the RWIS web site.


Reclamation Recreation Map Reclamation Recreation Website

Reclamation projects have created a variety of recreation opportunities on the rivers downstream from the dams, including world class whitewater rafting and fishing opportunities. Read More →


Special Notice

The Lower Colorado Basin - Interior Region 8's Statements of Project Construction Cost and Repayment (SPCCR) presenting the relationship between project cost and repayment are available upon request. Please contact Matt Stemmer at (702) 293-8223 or mjstemmer@usbr.gov to obtain a copy of a project SPCCR.


Last Update 1/28/25