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Illinois River at Marseilles,IL
Stream Name: Illinois River
Gage Zero: 452.91 Ft. NGVD29
Flood Stage:20 Ft.
Record High Stage:28.27 Ft.
Longitude: -88.75662778
Latitude: 41.32838333
River Mile: 246.5 miles above the mouth of the Illinois River
Record High Stage Date: 04/19/2013

Drainage Area : 8259.00 Mi2
Location of Gage :

Located in La Salle County, Marseilles, IL on the right bank .4 miles downstream of the State Highway 104 Dam at Marseilles and 6.9 miles upstream from the Fox River at river mile 246.5.

For official flow data, please visit the USGS website listed in the Additional Links for this station.  The National Weather Service information is also linked in the Additional Links for this station.

This gage is cooperatively operated by the US Army Corps of Engineers (Rock Island District),  the US Geological Survey (Illinois District) and the city of Peru, IL.

Latest Data
05/16/2021 00:00 Central
Latest Stage13.91 Ft.
24 Hr. Change-0.49 Ft.
Last Year's Stage13.98 Ft.
Today's Historic Normal Stage2.95 Ft.
Latest Flow16,200 CFS
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Additional Links:
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DECODES XML
Historic Flood Profiles (Starved Rock Pool)
Bench Marks and Reference Points
Rating Table
Official National Weather Service information for this station
Official USGS data for this station
US Army Corps of Engineers - Rock Island District - Water Control Center - Contact Us