USGS 08171400 San Marcos Rv nr Martindale, TX

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USGS 08171400 San Marcos Rv nr Martindale, TX

Stream Site

DESCRIPTION:: Latitude 29°49'56.23", Longitude 97°50'32.58" NAD83; Caldwell County, Texas, Hydrologic Unit 12100203; Drainage area: 547 square miles; Datum of gage: 480.26 feet above NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations (availability statement)	2011-05-19	2025-07-16
Daily Data
Discharge, cubic feet per second	2011-05-19	2025-07-15	15211
Gage height, feet	2011-05-19	2025-07-15	15348
Daily Statistics
Discharge, cubic feet per second	2011-05-19	2024-11-05	4843
Gage height, feet	2011-05-19	2024-11-05	4864
Monthly Statistics
Discharge, cubic feet per second	2011-05	2024-11
Gage height, feet	2011-05	2024-11
Annual Statistics
Discharge, cubic feet per second	2011	2025
Gage height, feet	2011	2025
Peak streamflow	2012-01-25	2023-10-26	13
Field measurements	2011-09-30	2025-05-21	100
Water-Year Summary	2012	2024	13
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

U.S. Department of the Interior | U.S. Geological Survey
Title: NWIS Site Information for USA: Site Inventory
URL: https://nwis.waterdata.usgs.gov/nwis/inventory?

Page Contact Information: Texas Water Data Support Team
Page Last Modified: 2025-07-16 19:19:02 EDT
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