Available data

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Continuous data

2 data types available - data from 2007-10-01 to 2026-08-04

Daily data

2 data types available - data from 1960-10-01 to 2026-08-03

Field measurements

2 data types available - data from 1960-09-30 to 2026-06-24

Discrete sample data

29 Observed properties (data types) available - with data from 1964-09-22 to 2001-05-30

7 Sampling activities

Statistical tables for select daily data types

2 data types available - data from 1960-10-01 to 2026-08-03

Important information about this monitoring location

Site operated for high-flow conditions. Discharge only available above 125 cfs.

Datum of gage has been determined to be 1964.88 feet above NAVD 1988. To obtain water-surface elevations in NAVD 1988 add 1964.88 feet to gage height values.

Location details and information

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Operated in cooperation with:

City of San Angelo

USGS - Cooperative Matching Funds

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	08129300	n/a
Location name	Spring Ck abv Tankersley, TX	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	31.3301639581834	n/a
Decimal longitude (WGS84)	-100.640376720754	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	Tom Green County	451
Country	United States of America	n/a
Altitude of gage/land surface	1964.88 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.2 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	South Concho	12090102
Drainage basin		n/a
Date of first construction		n/a
Drainage area	425 square miles	n/a
Contributing drainage area	405 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 Spring Ck abv Tankersley, TX - USGS-08129300