water

The House of Representatives, spurred by Rep. Ryan Zinke, voted to override a 3-year-old Interior Department order that temporarily banned copper sulfide mining in the headwaters of the Boundary Waters Canoe Area Wilderness.

The state of Montana has proposed a sampling protocol for pH in streams, but some water watchdogs say the method might not detect trouble until it’s too late.

Following record December precipitation, high-elevation snowpacks are at or above average, while low-elevation sites lost ground during warm weather

The states want to reach consensus on operations of the depleting Colorado River instead of having the federal government impose one on them with no input.

Maricopa and Yuma counties recorded the wettest fall seasons in state history, but the remainder of the state remained below 70% of average precipitation.

Future assessments of U.S. landslide hazards could include the study of risks posed by atmospheric rivers, which caused extreme precipitation that was linked to recent deadly slides in Southeast Alaska.

Montana has always had extreme weather events, but they are becoming more frequent and more costly for Montanans.

About half of California’s yearly rainfall comes during December through February, and 75% comes between November and March.

U.S. Health Secretary Robert F. Kennedy Jr. declared a public health emergency Wednesday over this month’s flooding in Washington state.

Western states that rely on the Colorado River have less than two months to agree on how to manage the troubled river.