Big Sioux River Water Level
Live gauge height for Big Sioux River, measured at USGS station BIG SIOUX RIVER NEAR HAWARDEN, IA (10.9 mi from the nearest mapped ramp).
30-Day Water Level Trend
Big Sioux River is currently 0.6 ft below its 30-day average — shallow ramps may have less water at the end of the concrete; trim up early and check local reports before launching.
Boat Ramps on Big Sioux River (3)
- Big Sioux River Access — Eden township, South Dakota
- Big Sioux River Access — Highland township, South Dakota
- Fairview township, South Dakota Boat Launch — Fairview township, South Dakota
- Canoe Access — Buncombe township, Iowa
- Big Sioux River Boat Ramp — Dakota Dunes, South Dakota
- Big Sioux River Boat Ramp — Hawarden, Iowa
Big Sioux River Water Level FAQ
What is the water level of Big Sioux River today?
The USGS gauge for Big Sioux River (BIG SIOUX RIVER NEAR HAWARDEN, IA) currently reads a gauge height of 12.06 feet, 0.6 ft below its 30-day average. Readings update throughout the day from USGS instrumentation.
Is Big Sioux River high or low right now?
Compared with the past 30 days, Big Sioux River is 0.6 ft below its 30-day average.
Where can I launch a boat on Big Sioux River?
BoatLaunchMap lists 3 boat ramps on Big Sioux River, each with directions, ratings, and launch details.
Data: U.S. Geological Survey, station 06483950. Gauge height is measured relative to the station datum, not lake depth. Always verify conditions on site before launching.