South Dakota
8 rivers · Live USGS data
Missouri River — Below Fort Randall
229cfs
Gregory / Charles Mix Co.
Class I59 miLow
Big Sioux River
1,090cfs
Minnehaha / Lincoln Co.
Class I–II90 miOptimal
Cheyenne River
34.8cfs
Pennington / Meade Co.
Class I295 miLow
🏞 National Park
Spearfish Creek
46.6cfs
Lawrence Co.
Class I–II20 miFlood
Rapid Creek
33.3cfs
Pennington Co.
Class I–II60 miFlood
James River
1,180cfs
Brown / Beadle Co.
Class I710 miOptimal
White River
229cfs
Shannon / Mellette Co.
Class I507 miOptimal
🏞 National Park
Vermillion River
1.58cfs
Turner / Clay Co.
Class I120 miLow
Optimal Low High Flood