Montana officials have denied a petition asking the state to designate the Big Hole River as "impaired" by pollution. Two ...

The Montana Department of Environmental Quality is asking for photo and video evidence of algal blooms and other data from ...

The Upper Missouri Waterkeeper and Big Hole River Foundation have petitioned the Montana Department of Environmental Quality ...

Save Wild Trout has absorbed the Big Hole River Foundation and its executive director, and described plans for water quality ...

The Montana Department of Environmental Quality has rejected a petition filed by two river advocacy groups seeking an ...

Two conservation groups are petitioning the Montana Department of Environmental Quality to designate the Big Hole River, a treasured southwestern Montana fishery, as impaired for nutrient pollution.

The Upper Missouri Waterkeeper and the Big Hole River Foundation have filed a petition with the Montana Department of Environmental Quality requesting an impaired waterway designation tied to ...

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 ...

Two conservation groups are petitioning the Montana Department of Environmental Quality to designate the Big Hole River, a treasured southwestern Montana fishery, as impaired for nutrient pollution.