Health

Grand County officials are searching for ways to prevent harmful algae blooms and weed growth in Grand Lake.

Scientists fear that eventually the toxic residue of more than a century of agricultural runoff will be blown into the air — and into the lungs of residents.

Colorado joins three other states in approving a new rule that clears the way for drinking treated wastewater.

Western states are still able to provide relatively affordable water, but that could change as utilities try to recoup losses associated with the pandemic and begin to pay for the massive repairs and upgrades to their systems that were on the drawing board before COVID-19 struck.

LONESOME LAKE, WYOMING—Whit Coleman belly flopped with style into some of Wyoming’s most famous alpine waters on a summer day. Out on a father-son backpacking...

The Colorado health department is investigating a plume causing high levels of forever chemicals in the raw water supply of Adams County.

Wastewater can inform public health departments of new variants in the community, but the data collected is still inconclusive.

For decades, a Utah uranium mill has sparked debate over whether radioactive contamination threatens human health by getting into the water and the air.

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.

Two non-profit groups in Crested Butte work to clean up waters still polluted from the Keystone and Standard mines.