Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap


Web Portal Changes:

Please visit for more information.

Hydrograph River at a Glance Download
West Branch Du Page River at Naperville (Fawell Dam) Stage (ft)DuPage County Stormwater ManagementNFDI2(plotting HPIRP) Graph Created (4:11PM Apr 14, 2024)Flood Stage is 686.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
NOTE: Graphical forecasts are not available for the West Branch Du Page River at Naperville (Fawell Dam). During times of high water, forecast crest information can be found in the text products.
Return to Area Map
Upstream Gauge - near Warrenville Upstream Gauge Downstream Gauge Downstream Gauge - at Naperville (Webster St)
Flood Categories (in feet)
Major Flood Stage: 690.5
Moderate Flood Stage: 688.5
Flood Stage: 686.5
Action Stage: 680
Low Stage (in feet): -9999

Historic Crests
(1) 692.10 ft on 09/14/2008
(2) 687.70 ft on 08/27/1987
(3) 687.30 ft on 07/25/2010
(4) 686.20 ft on 12/03/1982
(5) 685.72 ft on 07/18/1996
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 687.30 ft on 07/25/2010
(2) 692.10 ft on 09/14/2008
(3) 682.98 ft on 02/22/1997
(4) 685.72 ft on 07/18/1996
(5) 687.70 ft on 08/27/1987
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

Zoom Level:15
KML Image
Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
694 I-88 (Reagan Tollway) is threatened between Warrenville and Naperville.
693 Diehl Road is threatened between Warrenville and Naperville.
690.7 Fawell Dam reaches its capacity to store water. DuPage County opens gates to pass all additional upstream flow.
680.2 DuPage County begins closing gates at Fawell Dam to store water and reduce the flow moving downstream toward Naperville.
About This Location Collapse

Latitude: 41.785000° N, Longitude: 88.178600° W, Horizontal Datum: Unknown

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 686.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM
Privacy Policy
About Us
Career Opportunities