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USGS 05437500 ROCK RIVER AT ROCKTON, IL

  Stream Site

DESCRIPTION:
Latitude 42°27'01",   Longitude 89°04'21"   NAD83
Winnebago County, Illinois, Hydrologic Unit 07090005
Drainage area: 6,363 square miles
Datum of gage: 707.75 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1987-03-27  2025-12-13  
 Daily Data
    Discharge, cubic feet per second  1903-06-28  2025-12-12  35354 
    Gage height, feet  1993-10-01  2025-12-12  11528 
 Daily Statistics 
    Discharge, cubic feet per second  1903-06-28  2025-07-13 35202 
    Gage height, feet  1993-10-01  2025-07-13 11376 
 Monthly Statistics 
    Discharge, cubic feet per second  1903-06  2025-07  
    Gage height, feet  1993-10  2025-07  
 Annual Statistics 
    Discharge, cubic feet per second  1903  2025  
    Gage height, feet  1994  2025  
 Peak streamflow 1904-03-22  2024-07-17  96 
 Field measurements 1969-10-02  2025-11-24  419 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1974-10-08  2021-12-07  382 
 Water-Year Summary 2006  2024  19 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Illinois Water Science Center
Email questions about this site to Illinois Water Science Center Water-Data Inquiries