USGS Current Conditions for USGS 08171400 San Marcos Rv nr Martindale, TX x

USGS 08171400 San Marcos Rv nr Martindale, TX

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Guadalupe-Blanco River Authority

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Retransmission, forecasts and summary by the National Weather Service

This station managed by the San Antonio Field Unit.

Available Parameters	Available Period
All 3 Available Parameters for this site
00060 Discharge	2011-05-19	2026-08-02
00065 Gage height	2011-05-19	2026-08-02
72192 Precipitation, cumul	2024-07-11	2026-08-02

Days (7)

-- or --
Begin date

End date

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

Most recent instantaneous value: 131 08-02-2026 02:45 CDT

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**Daily discharge, cubic feet per second -- statistics for Aug 2 based on 15 water years of record more**
Min (2023)	25th percen- tile	Most Recent Instantaneous Value Aug 2	Median	Mean	75th percen- tile	Max (2015)
84.0	110	131	162	193	269	411

Most recent instantaneous value: 7.54 08-02-2026 02:45 CDT

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Most recent instantaneous value: 16.16 08-02-2026 02:45 CDT

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U.S. Department of the Interior | U.S. Geological Survey
Title: USGS Current Conditions for the Nation
URL: https://waterdata.usgs.gov/nwis/uv?

Page Contact Information: Texas Water Data Support Team
Page Last Modified: 2026-08-02 04:36:19 EDT
4.06 3.44 sdww01