Two river watchdog groups insist the Big Hole River needs a pollution fix and have called on the state’s environmental agency to make that happen. The Upper Missouri Waterkeeper and the Big Hole ...

Submit any photos, videos or drone images of algae blooms on the Big Hole River. Already submitted or collected by the state. That’s according to the petitioners. Submit data about the aquatic ...

The Big Hole River Foundation was founded in 1988 by celebrated Montana conservationist, angler and fly-tier George Grant, a Butte native. Grant died in 2008 at the age of 102. Now, the Big Hole ...

Montana’s environmental regulator has denied a petition to designate the Big Hole River as impaired by nitrogen and phosphorus, throwing a wrench in environmentalists’ efforts to put the blue- ...

BOZEMAN, MT — The Montana Department of Environmental Quality is asking for photo and video evidence of algal blooms and other data from the Big Hole River before making an impairment determination.

The 4-foot-10 actor could easily reach slam dunk territory. The population status of river-dwelling Arctic grayling in the Big Hole River has long been tracked by fisheries biologists, ranchers ...

According to the National Water Prediction Service and National Oceanic and Atmospheric Administration (NOAA), the river is supposed to crest around 1 a.m. on Thursday, April 9 at 37 feet.

The city of Sioux Falls is partnering with South Dakota State University for its 13th annual conference on caring for the Big Sioux River. The Big Sioux River Summit will be held April 16 and ...

SIOUX FALLS, S.D. (KELO) — The Big Sioux River in Sioux Falls is sitting below average in terms of streamflow for this time of year, according to the United States Geological Survey (USGS).

SIOUX FALLS, S.D. (KELO) — The Big Sioux River in Sioux Falls is sitting below average in terms of streamflow for this time of year, according to the United States Geological Survey (USGS).

Watch as we navigate (and struggle through) a river that was definitely too big for our first time out. Lessons were learned the hard way. Ukraine said 120,000 useless mortar rounds were sent to ...