Major Flood
690.5 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
688.5 ft
Minor Flood
686.5 ft
Action Stage
680 ft
What Floods at Each Level
694 ft
I-88 (Reagan Tollway) is threatened between Warrenville and Naperville.
693 ft
Diehl Road is threatened between Warrenville and Naperville.
690.7 ft
Fawell Dam reaches its capacity to store water. DuPage County opens gates to pass all additional upstream flow.
680.2 ft
DuPage County begins closing gates at Fawell Dam to store water and reduce the flow moving downstream toward Naperville.
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 |
|---|---|---|
| Sep 13, 2008 | 692.1 ft | — |
| Aug 26, 1987 | 687.7 ft | — |
| Jul 24, 2010 | 687.3 ft | — |
About This Gauge
USGS Site
NWS LID
NFDI2
River
West Branch Du Page River
County
Du Page, IL
Coordinates
41.7850°N, 88.1786°W
Get Flood Alerts for West Branch Du Page 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 West Branch Du Page River at Naperville (Fawell Dam)?
The West Branch Du Page River at Naperville (Fawell Dam) gauge is maintained by USGS (site 414702088104801) 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 West Branch Du Page River at Naperville (Fawell Dam)?
The NWS-defined flood stage for West Branch Du Page River at Naperville (Fawell Dam) is 686.5 feet. Action stage begins at 680 feet. Moderate flooding starts at 688.5 feet, and major flooding at 690.5 feet.
How do I get alerts when West Branch Du Page River rises?
Download StormCast free on Google Play, go to River Gauges, and add West Branch Du Page River at Naperville (Fawell Dam) 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 West Branch Du Page River at Naperville (Fawell Dam) gauge located?
The gauge is located in Du Page County, Illinois at coordinates 41.7850°N, 88.1786°W. USGS site number: 414702088104801. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: DuPage County, Observations courtesy of U.S. Geological Survey