The Big Sioux River has gotten cleaner in recent years, but Sioux Falls city officials are not satisfied. The city announced a series of programs Thursday to improve the river’s water quality ...

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. It was a very productive day and they uncovered plenty of ...

The City of Sioux Falls will host its annual Big Sioux River Cleanup on Saturday. “We’re just asking for volunteers to come and help us to pick up trash and keep the river clean ...

SIOUX FALLS, S.D. (KELO) — On April 20, 2025, the Big Sioux River in Sioux Falls was sitting at just 1.27 ft of depth, much below average for this time of year. A month later, on May 20 ...