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USGS 05537500 LONG RUN NEAR LEMONT, IL

  Stream Site

DESCRIPTION:
Latitude 41°38'33.4",   Longitude 87°59'57.7"   NAD83
Cook County, Illinois, Hydrologic Unit 07120004
Drainage area: 20.9 square miles
Datum of gage: 636.95 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1989-09-19  2025-07-06  
 Daily Data
    Discharge, cubic feet per second  1951-07-01  2025-07-05  27034 
    Gage height, feet  1991-10-01  2025-07-05  12248 
 Daily Statistics 
    Discharge, cubic feet per second  1951-07-01  2025-05-22 26990 
    Gage height, feet  1991-10-01  2025-05-22 12204 
 Monthly Statistics 
    Discharge, cubic feet per second  1951-07  2025-05  
    Gage height, feet  1991-10  2025-05  
 Annual Statistics 
    Discharge, cubic feet per second  1951  2025  
    Gage height, feet  1992  2025  
 Peak streamflow 1951-09-27  2024-04-29  74 
 Field measurements 1953-06-10  2025-06-26  455 
 Field/Lab water-quality samples 1974-10-09  1983-08-30  86 
 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