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 63.2% full as of 2015-05-24

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 2015-05-24 63.2 1,067.39 -8.91 28,650 28,636 45,288 1,874
Yesterday 2015-05-23 62.6 1,067.24 -9.06 28,369 28,355 45,288 1,863
2 days ago 2015-05-22 61.9 1,067.06 -9.24 28,035 28,021 45,288 1,850
1 week ago 2015-05-17 52.5 1,064.66 -11.64 23,806 23,792 45,288 1,681
1 month ago 2015-04-24 38.0 1,060.38 -15.92 17,222 17,208 45,288 1,408
3 months ago 2015-02-24 37.4 1,060.19 -16.11 16,955 16,941 45,288 1,397
6 months ago 2014-11-24 39.0 1,060.71 -15.59 17,689 17,675 45,288 1,427
1 year ago 2014-05-24 46.0 1,062.83 -13.47 20,846 20,832 45,288 1,552
*

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