Instead, it was an old drainage district map of Jasper County. Otto requested the board of supervisors lend him the document ...

The City of Sioux Falls will host its annual Big Sioux River Cleanup on Saturday. “We’re just asking for volunteers to come ...

Keeping cattle waste out of the river that runs through the state’s largest city will cost about $11 million over the next ...

People attending Thursday’s Big Sioux Stewardship Summit in Sioux Falls focused attention on the natural beauty of the river.

Town and engineers have not revealed their solution to the ongoing water problem but say the 40-year-old pipe must be ...

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.

There's some exciting news for Siouxlanders: the Big Sioux Pedestrian Bridge that will connect Iowa to South Dakota has ...