Available data

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

4 data types available - data from 2007-10-01 to 2026-08-08

2 data types available - data from 1986-10-01 to 2026-08-06

3 data types available - data from 1990-08-06 to 2026-07-07

40 Observed properties (data types) available - with data from 1966-01-07 to 1977-09-20

14 Sampling activities

2 data types available - data from 1987-12-22 to 2026-08-06

Datum of Gage is 0.00 ft above NGVD29. To obtain reservoir water-surface elevations in NAVD 1988 subtract 0.06 feet from NGVD29 Elevation values.

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	07344200	n/a
Location name	Wright Patman Lk nr Texarkana, TX	n/a
Site type	Lake, Reservoir, Impoundment	LK
Decimal latitude (WGS84)	33.3045709365713	n/a
Decimal longitude (WGS84)	-94.1607452816336	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	Bowie County	037
Country	United States of America	n/a
Altitude of gage/land surface	0	n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	10 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Lower Sulpher	11140302
Drainage basin		n/a
Date of first construction		n/a
Drainage area	3443 square miles	n/a
Contributing drainage area	3443 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