New research finds the Upper Colorado River Basin lost 4.6 trillion gallons of groundwater during drought, nearly twice the Lower Basin's losses.

Great Salt Lake has fallen to 30.1% of its natural volume, exposing more than half its lakebed as Utah faces mounting restoration challenges.

New Forest Service rules shorten public comment periods and change how objections to national forest projects are reviewed.

The Sierra Club alleges San Francisco inflated water demand forecasts, raising concerns about river ecosystems, public spending, and rising water bills.

October rains eased drought in parts of the Colorado River Basin, with improvements in Arizona, New Mexico and Colorado. More rain is forecast.

Arizona, California, and Nevada prepare for Colorado River cuts with water banking, farm conservation, new restrictions, and city water projects.