Il River Water Level
Live gauge height for Il River, measured at USGS station Mississippi River at Grafton, IL (3.1 mi from the nearest mapped ramp).
Current gauge height
15.95 ft
Updated 9 min ago
vs. 30-day average
+0.11 ft
30-day avg: 15.84 ft
Streamflow
51,100 cfs
30-Day Water Level Trend
Il River is currently near its 30-day average — typical launching conditions at most ramps.
Boat Ramps on Il River (2)
- IL River-Paddle — Quarry township, Illinois
- Calhoun Point Ramp
Il River Water Level FAQ
What is the water level of Il River today?
The USGS gauge for Il River (Mississippi River at Grafton, IL) currently reads a gauge height of 15.95 feet, near its 30-day average. Readings update throughout the day from USGS instrumentation.
Is Il River high or low right now?
Compared with the past 30 days, Il River is near its 30-day average.
Where can I launch a boat on Il River?
BoatLaunchMap lists 2 boat ramps on Il River, each with directions, ratings, and launch details.
Data: U.S. Geological Survey, station 05587450. Gauge height is measured relative to the station datum, not lake depth. Always verify conditions on site before launching.