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USGS 02234000 ST. JOHNS RIVER ABOVE LAKE HARNEY NEAR GENEVA, FL

  Stream Site

DESCRIPTION:
Latitude 28°42'50",   Longitude 81°02'08"   NAD27
Seminole County, Florida, Hydrologic Unit 03080101
Drainage area: 2,043 square miles
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1990-10-01  2025-11-03  
 Daily Data
    Temperature, water, degrees Celsius  2007-12-12  2021-09-30  11351 
    Discharge, cubic feet per second  1981-10-01  2025-11-02  16101 
    Gage height, feet  1941-07-29  2025-11-02  30502 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2007-12-12  2021-09-30  11208 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2010-11-10  2021-09-30  9511 
    Stream water level elevation above NAVD 1988, in feet  2010-10-01  2025-11-02  5487 
 Daily Statistics 
    Temperature, water, degrees Celsius  2007-12-12  2021-09-30 2531 
    Discharge, cubic feet per second  1981-10-01  2025-07-21 16000 
    Gage height, feet  1941-07-29  2025-07-21 30398 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2007-12-12  2021-09-30 2531 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2014-10-01  2021-09-30 2226 
    Stream water level elevation above NAVD 1988, in feet  2010-10-01  2024-12-10 5160 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2007-12  2021-09  
    Discharge, cubic feet per second  1981-10  2025-07  
    Gage height, feet  1941-07  2025-07  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2007-12  2021-09  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2014-10  2021-09  
    Stream water level elevation above NAVD 1988, in feet  2010-10  2024-12  
 Annual Statistics 
    Temperature, water, degrees Celsius  2008  2021  
    Discharge, cubic feet per second  1982  2025  
    Gage height, feet  1941  2025  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2008  2021  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2015  2021  
    Stream water level elevation above NAVD 1988, in feet  2011  2025  
 Peak streamflow 1982-07-31  2023-10-05  43 
 Field measurements 1951-07-12  2025-07-22  371 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1943-05-07  1986-10-07  314 
 Water-Year Summary 2006  2024  19 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Florida Water Science Center - Orlando
Email questions about this site to Florida Water-Data Inquiries