California commits $6 million to fight golden mussels as the invasive species spreads 500+ miles through state waterways in under two years.

Federal agencies awarded $44.3 million to restore salmon and sturgeon habitat and fund critical fish science studies across California's Central Valley rivers.

From a Supreme Court case that could influence interstate water rights for decades, to surprising California groundwater research, progress on the Tijuana River sewage crisis, a new study warning...

Extreme drought expands across the Four Corners, the 94,000-acre Cottonwood Fire burns near Beaver, Utah, and three firefighters die battling blazes in Colorado.

A global study warns that nitrogen buried in southwestern U.S. soils and other regions will contaminate groundwater for decades, posing a long-term threat to water supplies.

The EPA's latest quarterly report shows construction underway, emergency repairs completed, and Mexico surpassing its 2026 funding commitment.