USGS 303212097373100 UBC Dam 17 nr Round Rock, TX

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DESCRIPTION:: Latitude 30°32'11.99", Longitude 97°37'30.89" NAD83; Williamson County, Texas, Hydrologic Unit 12070205; Drainage area: 1.23 square miles; Contributing drainage area: 1.23 square miles,; Datum of gage: 0.0 feet above NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations (availability statement)	2013-06-07	2026-01-06
Daily Data
Lake or reservoir water surface elevation above NAVD 1988, feet	2013-06-06	2026-01-05	4597
Daily Statistics
Lake or reservoir water surface elevation above NAVD 1988, feet	2013-06-06	2025-11-19	4550
Monthly Statistics
Lake or reservoir water surface elevation above NAVD 1988, feet	2013-06	2025-11
Annual Statistics
Lake or reservoir water surface elevation above NAVD 1988, feet	2013	2026
Water-Year Summary	2014	2025	12
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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://waterdata.usgs.gov/nwis/inventory?

Page Contact Information: Texas Water Data Support Team
Page Last Modified: 2026-01-06 19:14:17 EST
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