Dams and reservoirs

As its trial date in water court approaches, hundreds of pages of depositions obtained by Aspen Journalism reveal state engineers’ sticking points regarding a proposed reservoir project they oppose in northwest Colorado.

Despite emergency releases from upper basin reservoirs to prop up Lake Powell, levels are still projected to dip below a critical threshold.

Pieter Strauss used to love hosting stargazing parties at his house in the Lakeshore Park neighborhood up Flagstaff Road southwest of Boulder. The hobbyist...

Most river rafting operators dabble in soothsaying. Every day, sometimes every hour, they closely study river flows and try to predict what kind of...

Managing how water moves from one side of the Continental Divide to the other requires cautious timing and accurate forecasting.

Officials say a solution to the water shortage on the Crystal River will probably include natural fixes before a dam and reservoir.

A new study shows that sedimentation from the Colorado River means that Lake Powell's storage capacity is lower than previously believed.

A cream-colored band lines the orange sandstone walls that rise above the blue-green waters of Lake Powell. The so-called “bathtub rings,” these chalky layers...

The second-ever call on the Yampa River was lifted after water providers announced an Elkhead Reservoir water release to support irrigators and endangered fish.

The Colorado River Water Conservation District approved a request to partially fund the permitting costs for a dam and reservoir project in northwest Colorado.