Important Legacy real-time page

Available data

Select data types to graph from categories based on the way the data were collected.

Learn about the data collection categories

Continuous data

3 data types available - data from 2016-01-23 to 2026-08-06

Daily data

6 data types available - data from 2005-09-28 to 2026-08-05

Field measurements

1 data types available - data from 2017-12-11 to 2026-07-01

Discrete sample data

39 Observed properties (data types) available - with data from 2005-09-28 to 2006-08-16

2 Sampling activities

Peak measurements

1 data types available - with data from 2016-05-19 to 2025-09-01

Statistical tables for select daily data types

7 data types available - data from 2005-09-28 to 2026-08-04

Important information about this monitoring location

The elevation of this station has been determined to be 1378.28 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988, add 1378.28 feet to gage height values.

Location details and information

Available location images

Blanco River at Crabapple Road near Blanco

Blanco River at Crabapple Road near Blanco

View more imagery information for Blanco River at Crabapple Road near Blanco

Zoom out to see link to My Favorites

Use Explore USGS Water Data to discover additional data near this location

Operated in cooperation with:

Texas Water Development Board

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	08170800	n/a
Location name	Blanco Rv at Crabapple Rd nr Blanco, TX	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	30.1025833333333	n/a
Decimal longitude (WGS84)	-98.5106666666667	n/a
Latitude-longitude method	Global positioning system (GPS), Standard Positioning Service (SPS) or Precise Positioning Service (PPS)	G
Latitude-longitude accuracy	Accurate to + or - .1 sec (Differentially-Corrected GPS).	1
District	Texas	48
State	Texas	48
County	Blanco County	031
Country	United States of America	n/a
Altitude of gage/land surface	1378.28 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.02 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	San Marcos	12100203
Drainage basin	18	n/a
Date of first construction		n/a
Drainage area	53.3 square miles	n/a
Contributing drainage area	53.3 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 Blanco Rv at Crabapple Rd nr Blanco, TX - USGS-08170800