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USGS 08195000 Frio Rv at Concan, TX

  Stream Site

DESCRIPTION:
Latitude 29°29'18",   Longitude 99°42'16"   NAD27
Uvalde County, Texas, Hydrologic Unit 12110106
Drainage area: 389 square miles
Contributing drainage area: 389 square miles,
Datum of gage: 1,203.54 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1991-10-01  2025-11-03  
 Daily Data
    Temperature, water, degrees Celsius  1996-11-15  1998-08-22  1869 
    Discharge, cubic feet per second  1924-09-30  2025-11-02  58769 
    Gage height, feet  1996-08-23  2025-11-02  11162 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1996-11-15  2024-03-11  5696 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1996-11-15  1998-08-22  1793 
    pH, water, unfiltered, field, standard units  1996-11-15  1998-08-22  1866 
    Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen  2024-03-11  2025-11-02  542 
 Daily Statistics 
    Temperature, water, degrees Celsius  1996-11-15  1998-08-22 623 
    Discharge, cubic feet per second  1924-09-30  2025-06-04 36407 
    Gage height, feet  1996-08-23  2024-07-10 10071 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1996-11-15  2024-03-11 4450 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1996-11-15  1998-08-22 598 
    pH, water, unfiltered, field, standard units  1996-11-15  1998-08-22 622 
 Monthly Statistics 
    Temperature, water, degrees Celsius  1996-11  1998-08  
    Discharge, cubic feet per second  1924-09  2025-06  
    Gage height, feet  1996-08  2024-07  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1996-11  2024-03  
    Dissolved oxygen, water, unfiltered, milligrams per liter  1996-11  1998-08  
    pH, water, unfiltered, field, standard units  1996-11  1998-08  
 Annual Statistics 
    Temperature, water, degrees Celsius  1997  1998  
    Discharge, cubic feet per second  1924  2025  
    Gage height, feet  1996  2024  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1997  2024  
    Dissolved oxygen, water, unfiltered, milligrams per liter  1997  1998  
    pH, water, unfiltered, field, standard units  1997  1998  
 Peak streamflow 1923-09-18  2024-07-24  100 
 Field measurements 1923-09-18  2025-08-28  917 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1960-04-25  2024-02-13  401 
 Water-Year Summary 2005  2024  20 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Texas Water Science Center
Email questions about this site to Texas Water Science Center Water-Data Inquiries