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 45.5% full as of 2014-07-29

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 2014-07-29 45.5 1,062.67 -13.63 20,599 20,585 45,288 1,543
Yesterday 2014-07-28 45.5 1,062.69 -13.61 20,629 20,615 45,288 1,544
2 days ago 2014-07-27 45.6 1,062.71 -13.59 20,660 20,646 45,288 1,545
1 week ago 2014-07-22 46.0 1,062.84 -13.46 20,862 20,848 45,288 1,553
1 month ago 2014-06-29 43.9 1,062.21 -14.09 19,895 19,881 45,288 1,516
3 months ago 2014-04-29 47.8 1,063.35 -12.95 21,663 21,649 45,288 1,590
6 months ago 2014-01-29 51.9 1,064.48 -11.82 23,504 23,490 45,288 1,669
1 year ago 2013-07-29 63.6 1,067.47 -8.83 28,800 28,786 45,288 1,880
*

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 1076.3 ft above NGVD29
Dead pool elevation 1031.3 ft above NGVD29

Elevation-Area-Capacity Curves

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