Groundwater

Renee Hoffman was never thrilled about the water quality at her house in Sleepy Bear Mobile Home Park on the outskirts of Steamboat Springs. “It just didn’t taste great,” she...

BUCKEYE, Ariz. – Beneath the exhausting Sonoran sun, an hour’s drive west of Phoenix, heavy machines are methodically scraping the desert bare. Where mesquite and saguaro once stood, the former...

Deep below Arizona sit large volumes of water that are less salty than the ocean, but not easily used. If it were all pumped to the surface and purified, this brackish groundwater would supply Arizona’s water needs for a century or more. Problem is, it can’t all be pumped.

Mario Atencio’s family never received a notification that 1,100 barrels of produced water—a byproduct of oil and gas extraction—had spilled on their allotment in February 2019 near Counselor, New...

State designates aquifers 'natural infrastructure' to boost funding for water supply, flood control, wildlife habitat

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.

New Mexico is behind in water inspections for the third year in a row, leaving water quality in question.

In a first-of-its-kind project, scientists will trace snow from where it arrives in the atmosphere, to where it melts into the ground. 

Colorado water officials hope to combat algae blooms caused by rising temperatures and an increased use of phosphorus-laced lawn fertilizers.

Snowpack in Colorado is melting earlier than expected due to an increase in dust storm severity.