Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
Click to hide state-specific text

Explore Real-time Water Data Using New Products from USGS TXWSC

View over 750 USGS real-time stream, lake, reservoir, precipitation, and groundwater stations in context with current weather and hazard conditions on both desktop and mobile devices.

Click to go to the Texas Water Dashboard Click to go to the WATER On-the-go app

Follow @USGS_TexasFlood and @USGS_TexasRain on Twitter to get current water level and precipitation data during flooding or severe rainfall events.


* IMPORTANT: Next Generation Station Page

USGS 08171400 San Marcos Rv nr Martindale, TX

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
Funding for this site is provided by the cooperators / programs below:
Click to go to the Guadalupe-Blanco River Authority web page

Guadalupe-Blanco River Authority
Rainfall Disclaimer

retransmission, forecasts and summary of this location by the National Weather Service
Retransmission, forecasts and summary by the National Weather Service
This station managed by the San Antonio Field Unit.

Available Parameters Available Period
All 2 Available Parameters for this site
   
00060 Discharge 2011-05-19  2019-09-16
00065 Gage height 2011-05-19  2019-09-16

Graph
Graph w/ stats
Graph w/o stats
Graph w/ (up to 3) parms
Table
Tab-separated
Days  (7)
 
  -- or --
Begin date
 
End date
 
Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
Most recent instantaneous value: 194 09-16-2019   08:45 CDT
Graph of Discharge, cubic feet per second

Add up to 2 more sites and replot for "Discharge, cubic feet per second"

?
 Add site numbers
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

Share this graph |

Daily discharge, cubic feet per second -- statistics for Sep 16 based on 8 water years of record more
Min
(2014)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Sep 16		 Median Mean 75th
percen-
tile		 Max
(2011)
97.7 128 194 233 244 317 508

Gage height, feet
Most recent instantaneous value: 7.94 09-16-2019   08:45 CDT
Graph of Gage height, feet

Add up to 2 more sites and replot for "Gage height, feet"

?
 Add site numbers
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

Share this graph |