Grand Canyon National Park: The Glen Canyon Dam

Situated north of Grand Canyon National Park, the Glen Canyon Dam serves a multitude of purposes: it controls the distribution of sediment and water, generates $50 to $100 million worth of hydroelectricity, maintains a cold-water trout fishery, and allows for recreational activities in Lake Powell (NRC 1). However, it has also incurred damages to the surrounding environment, which holds cultural significance for the indigenous tribes. In 1988, former Secretary of the Interior Manuel Lujan initiated the Glen Canyon Dam Environmental Impact Studies (EIS) to examine the downstream impact of dam operations. The USBR was first to join the EIS, followed by the National Park Service and state agencies (Austin and Drye 288). However, tribal involvement