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Scheduled Maintenance Notice
USGS will be performing maintenance on the time series data processing system beginning at 09:00 EDT on September 10, 2026. During this period, delivery of the latest time series data will be delayed. The maintenance is expected to finish within 2 hours, after which all backlogged time series data will be processed and delivered to WDFN web portals and APIs.

The lowest water-surface elevation currently measurable at this station is 880.8 ft. When the water level is below this threshold, the graph below will flatline. (Note: Equipment originally installed at 886.0 ft; lowered on Feb 12, 2018)

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Available data

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Continuous data

2 data types available - data from 2013-07-30 to 2026-09-09

Daily data

1 data types available - data from 2013-07-30 to 2026-09-07

Field measurements

1 data types available - data from 2015-03-13 to 2021-10-14

Discrete sample data

0 observed properties (data types) available

Statistical tables for select daily data types

1 data types available - data from 2013-07-30 to 2026-09-07

Location details and information

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Operated in cooperation with:

Upper Brushy Creek Water Control & Improvement District

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	303439097465000	n/a
Location name	UBC Dam 5 nr Leander, TX	n/a
Site type	Lake, Reservoir, Impoundment	LK
Decimal latitude (WGS84)	30.577388888888887	n/a
Decimal longitude (WGS84)	-97.78053055555556	n/a
Latitude-longitude method	Interpolated from Digital MAP.	N
Latitude-longitude accuracy	Accurate to + or - .5 sec (PLGR/PPS GPS).	5
District	Texas	48
State	Texas	48
County	Williamson County	491
Country	United States of America	n/a
Altitude of gage/land surface	0	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.23 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	San Gabriel	12070205
Drainage basin	12	n/a
Date of first construction		n/a
Drainage area	1.06 square miles	n/a
Contributing drainage area	1.06 square miles	n/a
Time zone abbreviation	CST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a

Monitoring location UBC Dam 5 nr Leander, TX - USGS-303439097465000