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Water Levels By:
National Weather
Service Products
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Illinois River at Ottawa, IL
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Stream Name: Illinois River
Gage Zero: 0 Ft. NGVD29
Flood Stage:463.00 Ft.
Record High Stage:473.72 Ft.
Longitude: -88.83916667
Latitude: 41.34444440
Flat Pool : 458.50
River Mile: 239.8
Record High Stage Date: 04/19/2013

Drainage Area : 10950.00 Mi2
Location of Gage :

Located in La Salle County, Ottawa, IL; on the left descending bank of the Fox River at the confluence with the Illinois River just upstream of the Highway 23 Bridge at river mile 239.8. This gage cannot measure a stage less than 459.85.

The National Weather Service information is also linked in the Additional Links for this station.

This gage is operated by the U.S. Army Corps of Engineers - Rock Island District.

Latest Data
04/18/2024 01:00 Central
Latest Stage460.61 Ft.
24 Hr. Change-0.09 Ft.
24 Hr. Precip Total0.00 In.   View Pricip Table
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(Yearly Formatted)
Additional Links:
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Official National Weather Service information for this station
US Army Corps of Engineers - Rock Island District - Water Control Center - Contact Us