The Montana Department of Natural Resources and Conservation has filed a lawsuit against Crazy Mountain Ranch, claiming the private guest ranch is illegally irr ...

“Missoula sits on a tremendous aquifer, we do have such abundant groundwater supply, and it gets fed from various sources,” said Ray Nickless, a hydrologist for the National Weather Service ...

The Fort Collins Loveland Water District is investing in an aquifer near the Wyoming and Colorado border in an effort to secure drinking water for the region's projected growth.

Researchers say holes in the clay that overlays the Memphis aquifer could have let pollutants from as early as the 1940s into the groundwater.

Montana’s wide-open spaces and fluctuating climate make water a precious resource. Across the state, irrigation is central ...

Water advocates have seen the county's groundwater control board be a "rubber stamp" for permits. Now, they want it to embrace its wider authority.