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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).

Current gauge height
11.17 ft
Updated 54 min ago
vs. 30-day average
-0.13 ft
30-day avg: 11.30 ft
Streamflow
254 cfs

30-Day Water Level Trend

2026-08-04Range: 10.9911.56 ft2026-09-01

Big Sioux River is currently near its 30-day average — typical launching conditions at most ramps.

Boat Ramps on Big Sioux River (3)

See all Big Sioux River boat ramps →

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 11.17 feet, near 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 near 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.