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Available data

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Continuous data

3 data types available - data from 2001-08-15 to 2026-08-03

Daily data

3 data types available - data from 1968-06-07 to 2026-08-01

Field measurements

3 data types available - data from 1968-07-09 to 2026-06-29

Discrete sample data

185 Observed properties (data types) available - with data from 1968-11-27 to 1999-06-21

213 Sampling activities

Statistical tables for select daily data types

2 data types available - data from 1968-06-07 to 2026-08-01

Important information about this monitoring location

The elevation of this station has been determined to be 720.56 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 720.56 feet to gage height values

Location details and information

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Operated in cooperation with:

San Antonio River Authority

USGS - Cooperative Matching Funds

USGS - Federal Priority Streamgages

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	08177700	n/a
Location name	Olmos Ck at Dresden Dr, San Antonio, TX	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	29.4991192281029	n/a
Decimal longitude (WGS84)	-98.5102957927879	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 5 sec.	F
District	Texas	48
State	Texas	48
County	Bexar County	029
Country	United States of America	n/a
Altitude of gage/land surface	720.56 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.07 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Upper San Antonio	12100301
Drainage basin		n/a
Date of first construction		n/a
Drainage area	21.2 square miles	n/a
Contributing drainage area	21.2 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 Olmos Ck at Dresden Dr, San Antonio, TX - USGS-08177700