39 Mile Reach - Fort Randall Dam to Running Water, SD
59-Mile Reach - Gavins Point Dam to Ponca State Park
Note: 16,000 CFS indicates low water, over 40,000 indicates very high water.
For daily river gauge readings along the MNRR from the US Geological Survey click here...
Did You Know?
The "Yellow Stone," a steamboat belonging the John Jacob Astor's American Fur Company, was the first steamship to ascend the "Big Muddy" into what would become the Dakota Territory and eventually the present-day Dakotas and Montana. More...