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Illinois River at Lockport Lock and Dam (POOL)
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Gage Zero: 0 Ft. IGLD
Longitude: 0
Latitude: 0
River Mile: 291.1 miles above the mouth of the Illinois River
Location of Gage :

The Pool Elevation is referenced to International Great Lakes Datum (IGLD).  To convert to NGVD 1929, add 1.3 feet.

The Tailwater Elevation is referenced to NGVD 1929 Datum.

Latest Data
09/23/2023 06:00 Central
Latest Stage575.82 Ft.
24 Hr. Change+0.26 Ft.
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There Is Currently No Historic Data
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Additional Links:
US Army Corps of Engineers - Rock Island District - Water Control Center - Contact Us