Rising arsenic levels in monitoring wells at Pinyon Plain uranium mine raise concerns about possible contamination of groundwater in the Grand Canyon region.
Resource Issue: Water
Heavy metals, including uranium, arsenic, and lead in water at Pinyon Plain uranium mine near the Grand Canyon.
Read the Trust’s comments on the Bureau of Reclamation’s proposed guidelines and management strategies for the coordinated operations of Lake Powell and Lake Mead.
The 5th annual Grand Canyon Regional Intertribal Intergenerational Stewardship Expedition (RIISE) is accepting applications from Native youth ages 16-20 who identify as members of one of the associated Native American tribes of the Grand Canyon.
Find out where groundwater pumping is regulated in Arizona with this series of maps.
See maps that show the number of homes on the Navajo Nation without access to piped water.
The fall 2025 edition of the Grand Canyon Trust’s Colorado Plateau Advocate magazine, including a deep dive into the Grand Canyon’s ancient groundwater.
How much water is in Lake Powell and Lake Mead? See a live feed of distance above power pool and dead pool at both reservoirs.
See a graph of the fluctuating levels in Lake Powell since Glen Canyon Dam’s completion in 1963.
See a graph of the fluctuating levels in Lake Mead since the completion of the Hoover Dam in 1935.
Native voices share their personal and cultural connections to the Colorado River and the Grand Canyon.
Native voices share their personal and cultural connections to the Little Colorado River in this collection of stories.
Native voices — sheepherders, scientists, educators, farmers, artists, and activists — share their personal and cultural connections to the Little Colorado River, from its headwaters to the Grand Canyon
The rules for managing the Colorado River expire at the end of 2026. There isn’t enough water in the Colorado River to go around. Learn more and download the fact sheet.
Below Glen Canyon Dam, nonnative fish like smallmouth bass are threatening imperiled humpback chub in the Grand Canyon. Get the facts.
Climate change and rising demand for water across the thirsty West are shrinking Lake Powell. It’s time to address the dam’s design flaws. Read the fact sheet.
See a map of the controversial mega-resort on the doorstep of Grand Canyon National Park.
View the map of three dam proposals that threaten the Little Colorado River.
Zoom in on the location of the proposed Tusayan development.
The Grand Canyon Regional Intertribal Intergenerational Stewardship Expedition (RIISE) is accepting applications from young people ages 16-20 who identify as members of one of the associated Native American tribes of the Grand Canyon.
Scientists developed this dashboard to help explain mine shaft flooding at Canyon uranium mine and heavy metal levels in water pumped out of the mine shaft.
How much water has been pumped out of Pinyon Plain uranium mine near Grand Canyon National Park?
Canyon Mine, also known as Pinyon Plain Mine, a uranium mine located near Grand Canyon, continues to flood with water.
More than 275,000 pounds of unwanted radioactive materials from the Japan Atomic Energy Agency have arrived at the uranium mill in White Mesa, Utah.
On May 20, 2024, the Grand Canyon Trust submitted comments on the Arizona Department of Environmental Quality’s proposed rulemaking to update aquifer water-quality standards that are out of compliance with Arizona law.
Conservation groups are defending the new Grand Canyon national monument against lawsuits that aim to both undo it and dismantle the Antiquities Act.
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 proposed hydropower dams on the Navajo Nation.
See a map of past coal strip-mining on Black Mesa, along with proposed pumped storage hydroelectric dam projects.