USGS 08170500 San Marcos Rv at San Marcos, TX

PROVISIONAL DATA SUBJECT TO REVISION

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Funding for this site is provided by the cooperators / programs below:
Click to go to the Edwards Aquifer Authority web page

Edwards Aquifer Authority

 Click to go to the Groundwater and Streamflow Information Program (GWSIP) web page

Groundwater and Streamflow Information Program (GWSIP)
 

retransmission, forecasts and summary of this location by the National Weather Service
Retransmission, forecasts and summary by the National Weather Service

The elevation of this station has been determined to be 557.67 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 557.67 feet to gage height values.

This station managed by the San Antonio Field Unit.

Available Parameters Available Period
  
1994-10-01  2026-01-29
2007-10-01  2026-01-29







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
Most recent instantaneous value: 81.5 01-29-2026   23:45 CST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jan 30 based on 31 water years of record more
Most Recent
Instantaneous
Value Jan 30		 Min
(2025)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2005)
81.5 86.2 119 159 177 235 320

Gage height, feet
Most recent instantaneous value: 3.55 01-29-2026   23:45 CST
Graph of Gage height, feet

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