See a graph of the fluctuating levels in Lake Powell since Glen Canyon Dam’s completion in 1963.
Resource Issue: Dams
See a graph of the fluctuating levels in Lake Mead since the completion of the Hoover Dam in 1935.
View the map of three dam proposals that threaten the Little Colorado River.
Federal Energy Regulatory Commission (FERC) denied preliminary permit applications for seven proposed pumped storage hydroelectric projects proposed on Navajo Nation land.
See a map of past coal strip-mining on Black Mesa, along with proposed pumped storage hydroelectric dam projects.
See a map of proposed hydropower dams on the Navajo Nation.
On March 22, 2024, the Grand Canyon Trust submitted comments on the U.S. Bureau of Reclamation’s Draft Supplemental Environmental Impact Statement for the Glen Canyon Dam Long-term Experimental and Management Plan.
See the proposed pumped storage hydroelectric projects on or near Native lands across the Colorado Plateau in this interactive map.
Tribes have formally opposed a dozen pumped storage hydroelectric projects proposed on or near Native lands. See a map.
This map shows how much water proposed hydropower projects would require to initially fill reservoirs.
Read the Grand Canyon Trust’s comments on the proposal to modify how Glen Canyon Dam and Hoover Dam operate.
On November 17, 2023, the Navajo Nation filed a motion to intervene in the preliminary permit proceeding for the proposed Western Navajo No. 2 hydropower project. Read the motion.
Read the preliminary permit approval for the proposed Chuska Mountain hydroelectric project on Navajo Nation land.
Navajo Nation chapters and agencies oppose the proposed Black Mesa dams. Read the resolutions.
Read the preliminary permit application for the proposed Chuska Mountain hydroelectric project on Navajo Nation land.
Read the preliminary permit application for the proposed Western Navajo No. 2 hydroelectric project on Navajo Nation land.
Read the preliminary permit application for the proposed Western Navajo No. 1 hydroelectric project on Navajo Nation land.
Dam projects on tribal lands do not currently require tribal consultation and consent in the early stages of permitting.
The preliminary permit application for the proposed Chuska Mountain North hydroelectric project on Navajo Nation land.
The Navajo Nation opposes a preliminary permit application for a massive hydropower project along Black Mesa.
Grand Canyon Trust filed a motion to intervene in the preliminary permit proceeding for the proposed Black Mesa hydropower project.
The preliminary permit application for the proposed Black Mesa -South hydroelectric project on Navajo Nation land.
A preliminary permit application for the proposed Black Mesa – North hydroelectric project on Navajo Nation land.
The preliminary permit application for the proposed Black Mesa – East hydroelectric project on Navajo Nation land.
The preliminary permit application for the proposed Hurricane Cliffs hydroelectric project located in southern Utah.
A Phoenix company wants to dam the Little Colorado River, near the Grand Canyon, for hydropower. Get the facts.
The company that proposed hydroelectric dams on and near the Little Colorado River has formally surrendered its preliminary permit.
Pumped Hydro Storage LLC wrote to the Federal Energy Regulatory Commission asking to surrender the Salt Trail Canyon hydroelectric dam permit.
Hualapai Tribe comments to the Federal Energy Regulatory Commission opposing plans to dam Big Canyon, near the Grand Canyon.
A motion to intervene in the preliminary permit proceedings for the proposed hydroelectric project near the Little Colorado River.