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USGS 08172000 San Marcos Rv at Luling, TX

  Stream Site

DESCRIPTION:
Latitude 29°39'58",   Longitude 97°39'02"   NAD27
Caldwell County, Texas, Hydrologic Unit 12100203
Drainage area: 838 square miles
Contributing drainage area: 838 square miles,
Datum of gage: 322.21 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1986-10-14  2025-09-04  
 Daily Data
    Discharge, cubic feet per second  1939-04-18  2025-09-03  44602 
    Gage height, feet  1987-07-08  2025-09-03  26755 
 Daily Statistics 
    Discharge, cubic feet per second  1939-04-18  2024-10-17 31230 
    Gage height, feet  1987-07-08  2024-10-17 13067 
 Monthly Statistics 
    Discharge, cubic feet per second  1939-04  2024-10  
    Gage height, feet  1987-07  2024-10  
 Annual Statistics 
    Discharge, cubic feet per second  1939  2025  
    Gage height, feet  1987  2025  
 Peak streamflow 1869  2024-01-25  87 
 Field measurements 1940-11-22  2025-08-26  319 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1963-03-13  1999-08-24  239 
 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