Shell Rock River at Shell Rock, IA
Is Shell Rock River at Shell Rock, IA flooding right now?
Shell Rock River at Shell Rock, IA measured 8.16 ft on 2026-09-11 00:45:00 UTC. That observation was 3.8 ft below its 12 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
8.16 ft
Streamflow
753 cfs
Minor flooding here begins at 12 ft, with major flooding at 18 ft. The highest crest on record was 21.4 ft on Fri, Sep 23, 2016.
Streamflow outlook
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 10 ft | 1.8 ft below |
| Minor flood | 12 ft | 3.8 ft below |
| Moderate flood | 16 ft | 7.8 ft below |
| Major flood | 18 ft | 9.8 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 21.4 ft | 2016-09-23 |
| 20.36 ft | 2008-06-10 |
| 17.7 ft | 1856-01-01 |
| 16.73 ft | 1999-07-22 |
| 16.26 ft | 1961-03-28 |
Last 7 days
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Cedar River at Waverly, IA | 6.0 mi | Bremer County |
| West Fork Cedar River at Finchford, IA | 6.0 mi | Black Hawk County |
| Cedar River at Janesville, IA | 7.4 mi | Bremer County |
| Beaver Creek at New Hartford, IA | 9.8 mi | Butler County |
| Cedar River at Cedar Falls, IA | 14.0 mi | Black Hawk County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.