Available data

Select data types to graph from categories based on the way the data were collected.

3 data types available - data from 1990-10-01 to 2026-08-16

7 data types available - data from 1979-07-01 to 2026-08-15

2 data types available - data from 1961-11-07 to 2026-07-31

609 Observed properties (data types) available - with data from 1974-01-11 to 2025-07-15

238 Sampling activities

2 data types available - with data from 1941-02-01 to 2025-06-12

7 data types available - data from 1979-07-01 to 2026-08-14

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	08158700	n/a
Location name	Onion Ck nr Driftwood, TX	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	30.0829892407753	n/a
Decimal longitude (WGS84)	-98.0077858912633	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	Hays County	209
Country	United States of America	n/a
Altitude of gage/land surface	868.52 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.1 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Austin-Travis Lakes	12090205
Drainage basin		n/a
Date of first construction		n/a
Drainage area	124 square miles	n/a
Contributing drainage area	124 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