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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 05459500 Winnebago River at Mason City, IA


Cerro Gordo County, Iowa
Hydrologic Unit Code 07080203
Latitude  43°09'54", Longitude  93°11'33" NAD27
Drainage area 526  square miles
Gage datum 1,069.59 feet above NGVD29
Location of the site in Iowa