The remains of an ice surfer who vanished without a trace more than two years ago have been found, Missouri authorities say.

State environmental regulators have denied a petition to list the Big Hole River as impaired. Water conservation groups worry ...

The Upper Missouri Waterkeeper and Big Hole River Foundation continued their campaign this week to encourage DEQ to designate ...

“It’s a big river. The current is moving pretty ... under the Fire Department's command. The Missouri River was flowing at a rate of about 30,000 cubic feet per second Wednesday morning ...

The Outdoor Campus in Sioux Falls was one of four sites across the state with river clean-ups hosted by Friends of the Big Sioux River.