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USGS 05455100 Old Mans Creek near Iowa City, IA

  Stream Site

DESCRIPTION:
Latitude 41°36'23.06",   Longitude 91°36'56.6"   NAD83
Johnson County, Iowa, Hydrologic Unit 07080209
Drainage area: 201 square miles
Datum of gage: 637.32 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1990-10-01  2025-04-17  
 Daily Data
    Temperature, water, degrees Celsius  2012-02-17  2015-11-08  1126 
    Discharge, cubic feet per second  1950-10-01  2025-04-16  19921 
    Nitrate plus nitrite, water, total, short tons per day as nitrogen  2012-05-18  2015-10-29  715 
    Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen  2012-05-09  2015-11-05  773 
 Daily Statistics 
    Temperature, water, degrees Celsius  2012-02-17  2015-11-08 1126 
    Discharge, cubic feet per second  1950-10-01  2025-01-29 19844 
    Nitrate plus nitrite, water, total, short tons per day as nitrogen  2012-05-18  2015-10-29 715 
    Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen  2012-05-09  2015-11-05 773 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2012-02  2015-11  
    Discharge, cubic feet per second  1950-10  2025-01  
    Nitrate plus nitrite, water, total, short tons per day as nitrogen  2012-05  2015-10  
    Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen  2012-05  2015-11  
 Annual Statistics 
    Temperature, water, degrees Celsius  2012  2016  
    Discharge, cubic feet per second  1951  2025  
    Nitrate plus nitrite, water, total, short tons per day as nitrogen  2012  2016  
    Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen  2012  2016  
 Peak streamflow 1951-08-28  2024-05-03  74 
 Field measurements 1950-09-26  2025-03-24  749 
 Field/Lab water-quality samples 1970-07-08  2019-07-08  521 
 Water-Year Summary 2006  2024  19 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Iowa Water Science Center
Email questions about this site to Iowa Water Science Center Water-Data Inquiries