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Available data

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Continuous data

2 data types available - data from 2017-10-12 to 2026-08-08

Daily data

2 data types available - data from 2017-10-13 to 2026-08-07

Field measurements

1 data types available - data from 2018-03-28 to 2026-04-21

Discrete sample data

557 Observed properties (data types) available - with data from 2017-08-07 to 2026-04-19

18 Sampling activities

Peak measurements

1 data types available - with data from 2018-09-04 to 2024-07-28

Statistical tables for select daily data types

1 data types available - data from 2017-10-13 to 2026-08-06

Important information about this monitoring location

The elevation of this station has been determined to be 940.92 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988, add 940.92 feet to gage height values.

Location details and information

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Operated in cooperation with:

San Antonio Water System

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	08178638	n/a
Location name	W Elm Ck at Encino Rio at San Antonio, TX	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	29.6293861111111	n/a
Decimal longitude (WGS84)	-98.448825	n/a
Latitude-longitude method	Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)	G
Latitude-longitude accuracy	Accurate to + or - .01 sec (Differentially-Corrected GPS).	H
District	Texas	48
State	Texas	48
County	Bexar County	029
Country	United States of America	n/a
Altitude of gage/land surface	940.92 feet	n/a
Method altitude determined	GNSS3 - Level 3 Quality Survey Grade Global Navigation Satellite System	Y
Altitude accuracy	99 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	1.7 square miles	n/a
Contributing drainage area	1.7 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 W Elm Ck at Encino Rio at San Antonio, TX - USGS-08178638