The findings of recent water-conservation studies on the Western Slope could have implications for lawmakers and water ...

Basinwide, researchers found, groundwater storage has fallen by 27.8 million acre-feet since 2003 — enough water to fill an empty Lake Mead to capacity. Aridification across the Colorado River Basin ...

Arizona recycles more than half its wastewater, the second-highest rate among the seven states on the Colorado River, a new study found. If all seven states on the river reused as much water as ...

New research based on satellite data shows the depletion of groundwater in the Colorado River Basin far exceeds losses from the river’s reservoirs. Scientists say overpumping is leading to alarmingly ...

The Colorado River basin has lost huge volumes of groundwater over the past two decades according to a new report from researchers at Arizona State University. Researchers used data from NASA ...

Deep below the surface of the ground in one of the driest parts of the country, there is a looming problem: The water is running out — but not the kind that fills lakes, streams and reservoirs. The ...

SALT LAKE CITY — A study by a coalition of environmental groups is calling for all states along the Colorado River to make deep cuts as water supplies decline. The Great Basin Water Network, Utah ...

SALT LAKE CITY — The Colorado River is a vital water source for a large chunk of the West, including Utah. It's believed that about 60% of Utahns directly benefit from the river, which accounts for ...