An initiative of the Center for Environmental Journalism at the University of Colorado Boulder

Data viz: Lake Powell levels

Last update: September 21, 2022 Percent of total capacity Source: US Bureau of Reclamation

Photos: Morelos Dam, October 2018

This page contains ground-based and aerial photos of Morelos Dam just south of where California, Arizona and Mexico meet. Morelos Dam was constructed in 1950 after The Mexican Water Treaty...

Photos: San Juan River aerials, May 2021

This page features aerial photos of the San Juan River, a key tributary of the Colorado River that drains the Four Corners region and meets Lake Powell in southern...

Photos: Parker Dam, February 2021

This page features photos of Parker Dam, located along the Colorado River on the Arizona-California border.   Built between 1934 and 1938 by the Bureau of Reclamation, Parker Dam is...

Restoring the Colorado River Delta

In Mexico, where the Colorado River approaches the sea with barely a trickle, conservationists are working to restore the natural habitats of the river’s dry delta. Gary Strieker reports...

Photos: Grand Canyon rafting, fall 2019

This page features photos of the Colorado River in Grand Canyon National Park during a rafting trip in fall 2019. The Colorado River carved the Grand Canyon over eons, but...

Photos: Flaming Gorge Reservoir, June 2021

This page features photos of Flaming Gorge Reservoir, which impounds the Green River in Wyoming and Utah. The Green River is the most significant tributary of the Colorado River. Flaming...

Photos: Blue Mesa Reservoir, July 2021

This page features photos of Blue Mesa Reservoir, along the Gunnison River in Colorado's Curecanti National Recreation Area. Created by 390-foot Blue Mesa Dam, the reservoir has a capacity of 829,500 acre-feet, making it...

Photos: Santa Cruz River in Tucson, February 2021

This page features photos of the Santa Cruz River in Tucson, Arizona. The Santa Cruz begins in southern Arizona, dips into northern Mexico, and meets the Gila River, a...

Photos and videos: Navajo Dam and Navajo Lake, August 2021

This page features imagery and videos of of Navajo Lake and Navajo Dam, along the San Juan River in northwest New Mexico. The image and video galleries are available for...