Important for you to know:

New to WDFN: see current water conditions throughout the state using the new State Pages. Visit the Louisiana page for an example. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. You can update the state name in the URL to visit your State Page or read our announcement on the Water Data for the Nation blog to find links to all the state and territory pages.

Illinois River near Tahlequah, OK - 07196500

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Location context and information

The elevation of this station has been determined to be 665.08 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 665.08 feet to gage height values.

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Operated in cooperation with:

Grand River Dam Authority

US Army Corps of Engineers - Tulsa District

USGS - Cooperative Matching Funds

USGS - Federal Priority Streamgages