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Glen Canyon Dam Adaptive Management Program

To address concerns regarding impacts from the operation of Glen Canyon Dam, in 1982, the United States Bureau of Reclamation initiated a multi-agency interdisciplinary Glen Canyon Dam Environmental Studies program and in 1996 completed an Environmental Impact Statement (EIS) for the operation of Glen Canyon Dam.

The resources analyzed in the EIS include: water, sediment, fish, vegetation, wildlife and habitat, endangered and other special status species, cultural resources, air quality, recreation, hydropower, and non-use values.

The 1992 Grand Canyon Protection Act (Public Law 102-575), describes a process of "adaptive management" whereby the effects of dam operations on downstream resources would be continually monitored and assessed. The Grand Canyon Protection Act, and the 1996 EIS are the guiding documents for development and implemention of the Glen Canyon Dam Adaptive Management Program.

In 1997, the Secretary of the Interior established the Glen Canyon Adaptive Management Work Group (AMWG), a federal advisory committee to provide an opportunity for public involvement in the operation of Glen Canyon Dam and downstream resources.

For more information see:

Colorado River Board of California
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Email: crb@crb.ca.gov