Major Flood
18 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
15.5 ft
Minor Flood
12.5 ft
Action Stage
10 ft
What Floods at Each Level
15.6 ft
Blue Goose Road near Anderson Road east of Lyndon is overtopped and south of Como, water is encroaching onto Prophetstown Road west of Luther Road.
12.8 ft
Water begins to encroach into properties on Regan Road northeast of Como.
12.3 ft
Water begins to encroach on the parking areas at Lawrence Park boat launch in Sterling and the Moline Road rest area boat launch southwest of Como.
10 ft
Water begins to encroach on the parking area at Prophetstown State Park.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jul 23, 2017 | 15.64 ft | 42,200 cfs |
| Mar 16, 2019 | 15.18 ft | 39,900 cfs |
| Feb 21, 2018 | 14.68 ft | 36,900 cfs |
About This Gauge
Get Flood Alerts for Rock River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Rock River at Como?
The Rock River at Como gauge is maintained by USGS (site 05443500) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Rock River at Como?
The NWS-defined flood stage for Rock River at Como is 12.5 feet. Action stage begins at 10 feet. Moderate flooding starts at 15.5 feet, and major flooding at 18 feet.
How do I get alerts when Rock River rises?
Download StormCast free on Google Play, go to River Gauges, and add Rock River at Como to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Rock River at Como gauge located?
The gauge is located in Whiteside County, Illinois at coordinates 41.7722°N, 89.7455°W. USGS site number: 05443500. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: U.S. Geological Survey, Observations courtesy of U.S. Geological Survey, Observations courtesy of U.S. Army Corps of Engineers
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.