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 48.2% full as of 2014-04-23

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 2014-04-23 48.2 1,063.46 -12.84 21,838 21,824 45,288 1,597
Yesterday 2014-04-22 48.2 1,063.47 -12.83 21,854 21,840 45,288 1,598
2 days ago 2014-04-21 48.3 1,063.48 -12.82 21,870 21,856 45,288 1,599
1 week ago 2014-04-16 49.1 1,063.72 -12.58 22,256 22,242 45,288 1,615
1 month ago 2014-03-23 50.4 1,064.07 -12.23 22,826 22,812 45,288 1,640
3 months ago 2014-01-23 52.6 1,064.67 -11.63 23,822 23,808 45,288 1,682
6 months ago 2013-10-23 55.4 1,065.42 -10.88 25,102 25,088 45,288 1,730
1 year ago 2013-04-23 70.3 1,069.03 -7.27 31,831 31,817 45,288 2,006
*

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