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  • Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

    • Streamflow Measurements for the Nation


    05443500 ROCK RIVER AT COMO, IL
    Whiteside County, Illinois
    Hydrologic Unit Code 07090005
    Latitude  41°46'20", Longitude  89°44'44" NAD83
    Drainage area 8,753  square miles
    Gage datum 603.13 feet above NAVD88
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    Graph of streamflow measurement data at USGS 05443500 ROCK RIVER AT COMO, IL
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