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Available data

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Continuous data

3 data types available - data from 2017-12-14 to 2026-08-06

Daily data

1 data types available - data from 2017-12-14 to 2024-02-07

Field measurements

2 data types available - data from 2018-10-12 to 2026-07-16

Discrete sample data

556 Observed properties (data types) available - with data from 2017-08-07 to 2026-06-15

14 Sampling activities

Peak measurements

1 data types available - with data from 2019-05-10 to 2023-05-30

Statistical tables for select daily data types

1 data types available - data from 2017-12-14 to 2024-02-07

Important information about this monitoring location

The elevation of this station has been determined to be 978.70 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 978.70 feet to gage height values.

Location details and information

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Operated in cooperation with:

San Antonio Water System

Texas Department of Transportation (Austin-HQ)

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	08180990	n/a
Location name	Leon Ck at IH 10 and Loop 1604 nr San Antonio, TX	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	29.5930555555556	n/a
Decimal longitude (WGS84)	-98.5991666666667	n/a
Latitude-longitude method	Interpolated from Digital MAP.	N
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Texas	48
State	Texas	48
County	Bexar County	029
Country	United States of America	n/a
Altitude of gage/land surface	978.7 feet	n/a
Method altitude determined	GNSS3 - Level 3 Quality Survey Grade Global Navigation Satellite System	Y
Altitude accuracy	0.03 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Medina	12100302
Drainage basin		n/a
Date of first construction		n/a
Drainage area	38.5 square miles	n/a
Contributing drainage area	38.5 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 Leon Ck at IH 10 and Loop 1604 nr San Antonio, TX - USGS-08180990