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Site Map for Iowa

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Boating safety tips are available from the U.S. Coast Guard.

NOTE: Station Numbers for Iowa precipitation gages have changed (see list).

USGS 05453520 Iowa River below Coralville Dam nr Coralville, IA

Johnson County, Iowa
Hydrologic Unit Code 07080208
Latitude  41°42'55.0", Longitude  91°31'48.0" NAD27
Drainage area 3,115  square miles
Gage datum 600.00 feet above NGVD29
Location of the site in Iowa