Onion Ck at US Hwy 183, Austin, TX - 08159000

Important information about this monitoring location

The elevation of this station has been determined to be 443.28 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 443.28 feet to gage height values.

Location details and information

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Site identification number	08159000	_n/a
Site name	Onion Ck at US Hwy 183, Austin, TX	_n/a
Site type	Stream	ST
DMS latitude	301040	_n/a
DMS longitude	0974118	_n/a
Decimal latitude	30.17798987	_n/a
Decimal longitude	-97.6886138	_n/a
Latitude-longitude method	Interpolated from MAP.	M
Latitude-longitude accuracy	Accurate to + or - 5 sec.	F
Latitude-longitude datum	North American Datum of 1927	NAD27
Decimal Latitude-longitude datum	North American Datum of 1983	NAD83
District	Texas	48
State	Texas	48
County	Travis County	453
Country	US	_n/a
Land net location description		_n/a
Name of location map	Montopolis, TX	_n/a
Scale of location map	24000	_n/a
Altitude of Gage/land surface	443.28 feet	_n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	.17 feet	_n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Austin-Travis Lakes	12090205
Drainage basin		_n/a
Topographic setting		_n/a
Flags for instruments at site	NNNNYNNNNNNNNYNNYNNNNNNNNNNNNN	_n/a
Date of first construction		_n/a
Date site established or inventoried		_n/a
Drainage area	321 square miles	_n/a
Contributing drainage area	321 square miles	_n/a
Time Zone abbreviation	CST	_n/a
Site honors Daylight Saving Time	Y	_n/a
Data reliability		_n/a
Data-other GW files	NYNNNNNN	_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
Project number	8653-00120	_n/a