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Available data

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Continuous data

6 data types available - data from 1991-10-01 to 2026-08-23

Daily data

7 data types available - data from 1924-09-30 to 2026-08-22

Field measurements

2 data types available - data from 1923-09-18 to 2026-08-18

Discrete sample data

966 Observed properties (data types) available - with data from 1960-04-25 to 2026-08-18

457 Sampling activities

Peak measurements

2 data types available - with data from 1923-09-18 to 2025-07-14

Statistical tables for select daily data types

6 data types available - data from 1924-09-30 to 2026-08-21

Important information about this monitoring location

The elevation of this station has been determined to be 1203.54 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 1203.54 feet to gage height values.

Location details and information

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Operated in cooperation with:

Edwards Aquifer Authority

San Antonio Water System

Texas Water Development Board

USGS - Federal Priority Streamgages

USGS - National Water Quality Network

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	08195000	n/a
Location name	Frio Rv at Concan, TX	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	29.488564955177	n/a
Decimal longitude (WGS84)	-99.7047756215394	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	Uvalde County	463
Country	United States of America	n/a
Altitude of gage/land surface	1203.54 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.87 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Upper Frio	12110106
Drainage basin		n/a
Date of first construction		n/a
Drainage area	389 square miles	n/a
Contributing drainage area	389 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 Frio Rv at Concan, TX - USGS-08195000