recent changes

2013-06-19: The vertical datum of the 1998 TWDB rating curve for Lake Graham has been adjusted from NGVD29 to NGVD29+1.3ft.

Lake Graham is 99.1% full as of 2016-02-11

Date Percent Full Water Level
(ft)
Height Above Conservation Pool
(ft)
Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Surface Area
(acres)
Today 2016-02-11 99.1 1,074.83 -0.17 44,883 44,869 45,288 2,432
Yesterday 2016-02-10 99.1 1,074.84 -0.16 44,907 44,893 45,288 2,433
2 days ago 2016-02-09 99.2 1,074.85 -0.15 44,932 44,918 45,288 2,434
1 week ago 2016-02-04 99.5 1,074.90 -0.10 45,055 45,041 45,288 2,437
1 month ago 2016-01-11 100.0 1,075.19 0.19 45,774 45,288 45,288 - n.a. -
3 months ago 2015-11-11 94.7 1,074.01 -0.99 42,886 42,872 45,288 2,376
6 months ago 2015-08-11 95.7 1,074.20 -0.80 43,345 43,331 45,288 2,389
1 year ago 2015-02-11 37.6 1,060.24 -14.76 17,025 17,011 45,288 1,400
*

Percent Full is based on Conservation Storage and Conservation Capacity.

Additional Information

Impoundment date 1958-01-01
Vertical datum NGVD29 +1.3
Gauge USGS:08088400
Conservation pool elevation 1075.0 ft above NGVD29 +1.3
Dead pool elevation 1030.0 ft above NGVD29 +1.3
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1958-01-01 (source: usgs)
1998-04-01 (source: twdb) : GIS Data