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East Branch DuPage River Watershed Map

DuPage County Stormwater Management provides access to real-time water resource data throughout the East Branch DuPage River Watershed. The following map below provides an overview of the watershed, including one flood control facility, four stream gages and three rain gages.

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Gage Totals

DuPage County Stormwater Management uses the United States Geological Survey (USGS) stream and rain gages, as well as a local stream gages. The stream gages show real-time observations of stream height and discharge. USGS compiles these measurements hourly. The rain gages provide information about precipitation totals in the last week, as well as a link to the USGS station page.

Table 1: USGS Monitored Stream Gages
Stream Gage Description Gage ID Gage Height (ft)
East Branch DuPage River near Downers Grove
St. Joseph Creek at Route 34 in Lisle
East Branch DuPage River at Bolingbrook

Click on stream gage to see further information in a new browser.

USGS Cooperation

DuPage County works together with the USGS to provide real-time data. Many of the precipitation and stream gages within DuPage County are monitored and maintained through a cooperative agreement with the USGS. The following table provides rain fall totals for the last seven days at the USGS-monitored locations within DuPage County.

Gage Name Gage ID 1 Hour Total (inch) 3 Hour Total (inch) 6 Hour Total (inch) 12 Hour Total (inch) 24 Hour Total (inch) 2 Day Total (inch) 7 Day Total (inch)

Data is provisional and may display inaccuracies because of instrument malfunctions or physical changes at the gage location.

Flood Forecast Simulations

Using real and forecasted precipitation and stream levels, DuPage County Stormwater Management models rain totals countywide. They are simulated using provisional data, and actual watershed conditions may vary. All local agencies should use individual judgment when making operating decisions.