EPA will screen drinking water for more than 1,000 potential contaminants, including pharmaceuticals and forever chemicals.

The U.S. and Mexico set new Colorado River rules through 2028, including water cuts, storage, salinity and environmental restoration.

An $81 million pipeline contract moves the Navajo-Gallup Water Supply Project closer to initial water deliveries in 2028.

Climate change, drought and heavier pumping are altering groundwater quality as scientists explore new ways to recharge depleted aquifers.

Nearly $2 million is available to fight invasive mussels as zebra mussel DNA is detected in Utah’s Colorado River.

Monsoon rain eased drought in parts of Colorado, Wyoming and Utah, but severe dry conditions persist across much of the Colorado River Basin.