Site Features

A dam’s design can affect its ability to withstand overtopping and resist failure.

Pitkin County is making beavers a top priority, funding measures that may eventually restore North America’s largest rodent to the Roaring Fork watershed.

Southwestern Colorado’s Blue Mesa Reservoir, drained by years of drought and a major release of water designed to aid a plummeting Lake Powell, is experiencing a rebirth this summer.

California’s Salton Sea offers a tableau of dead wildlife, toxic dust, and neglect. It was long in the making.

This page features photos and videos from a wilderness rafting trip on the Rio Chama in northern New Mexico. The Rio Chama is a major tributary of the Rio Grande...

PFAS chemicals seemed like a good idea at first. Then tests started detecting PFAS in people’s blood.

Here’s what reservoir managers think about during storms, and how efforts to improve forecasting may soon be able to reduce flood damage

Decades of climate change-driven drought, combined with the overpumping of aquifers, is making the valley desperately dry — and appears to be intensifying the levels of heavy metals in drinking water.

40 million people rely on the Colorado River system for water and power. But after 20 years of drought, the river basin is running low. For the Water Desk,...

This page features aerial photos of Theodore Roosevelt Lake and Theodore Roosevelt Dam, along the Salt River east of Phoenix. Roosevelt Dam, which rises 357 feet, was the first structure completed as a part of...