Available data

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

1 data types available - data from 2007-10-01 to 2026-08-07

1 data types available - data from 2005-09-30 to 2026-08-05

5 data types available - data from 1974-06-04 to 2026-06-30

1 Observed properties (data types) available - with data from 1974-07-11 to 2024-11-01

641 Sampling activities

1 data types available - data from 2005-09-30 to 2026-08-05

Zoom out to see link to My Favorites

Operated in cooperation with:

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	294726095351102	n/a
Location name	LJ-65-12-726 (Addicks Extensometer)	n/a
Site type	Extensometer well	GW-EX
Decimal latitude (WGS84)	29.7906944444444	n/a
Decimal longitude (WGS84)	-95.5861388888889	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.	S
District	Texas	48
State	Texas	48
County	Harris County	201
Country	United States of America	n/a
Altitude of gage/land surface	91.06 feet	n/a
Method altitude determined	Light Detection And Ranging, airplane	J
Altitude accuracy	1 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Buffalo-San Jacinto	12040104
Drainage basin		n/a
Date of first construction	197405	n/a
Drainage area		n/a
Contributing drainage area		n/a
Time zone abbreviation	CST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer	Coastal lowlands aquifer system	S100CSLLWD
Local aquifer	Evangeline Aquifer	121EVGL
Local aquifer type	Confined multiple aquifers	M
Well depth	1802 feet	n/a
Hole depth	1813 feet	n/a
Source of depth data	S	n/a