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Colorado River Basin Water Supply and Demand Study

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The Bureau of Reclamation's Upper Colorado and Lower Colorado Regions, in collaboration with representatives of the seven Colorado River Basin States (non-federal Cost Share Partners), submitted a Proposal in June 2009 to fund the "Colorado River Basin Water Supply and Demand Study" under Reclamation's Basin Study Program. In September 2009, the Study was selected for funding.

The Study, which began in January 2010, was completed in December 2012. It defined current and future imbalances in water supply and demand in the Colorado River Basin and the adjacent areas of the Basin States that receive Colorado River water for approximately the next 50 years, and developed and analyzed adaptation and mitigation strategies to resolve those imbalances.

Click on this Study Map for full size version

The Study characterized current and future water supply and demand imbalances in the Basin and assessed the risks to Basin resources. Resources include water allocations and deliveries consistent with the apportionments under the Law of the River; hydroelectric power generation; recreation; fish, wildlife, and their habitats (including candidate, threatened, and endangered species); water quality including salinity; flow- and water-dependent ecological systems; and flood control.

The Study confirmed what most experts know: there are likely to be significant shortfalls between projected water supplies and demands in the Colorado River Basin in the coming decades.  Following the call to action of the Study, all that rely on the Colorado are taking initial stepsworking together – to identify positive solutions that can be implemented to meet the challenges ahead.

Click on map to the left to see full-size version of area covered by the Study.

 

 

For additional information or questions about the Study, contact:
phone: 702-293-8500
fax: 702-293-8042
TTY/TDD Relay: Dial 711

Webmaster: sha-lcr-webcomments@usbr.gov
Updated: September 2013