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Available data

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Continuous data

12 data types available - data from 2013-03-10 to 2026-08-02

Daily data

4 data types available - data from 2013-03-10 to 2026-08-01

Field measurements

4 data types available - data from 2013-04-11 to 2026-07-08

Discrete sample data

94 Observed properties (data types) available - with data from 2013-04-29 to 2026-05-05

68 Sampling activities

Statistical tables for select daily data types

4 data types available - data from 2013-03-10 to 2026-07-31

Important information about this monitoring location

The elevation of this station has been determined to be 9.39 feet below NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 subtract 9.39 feet from gage height values.

Location details and information

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Operated in cooperation with:

Guadalupe-Blanco River Authority

Texas Water Development Board

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	08188810	n/a
Location name	Guadalupe Rv at SH 35 nr Tivoli, TX	n/a
Site type	Tidal stream	ST-TS
Decimal latitude (WGS84)	28.478322422238563	n/a
Decimal longitude (WGS84)	-96.86277512418866	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	Calhoun County	057
Country	United States of America	n/a
Altitude of gage/land surface	-9.39 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.24 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Lower Guadalupe	12100204
Drainage basin		n/a
Date of first construction		n/a
Drainage area	10280 square miles	n/a
Contributing drainage area	10280 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 Guadalupe Rv at SH 35 nr Tivoli, TX - USGS-08188810