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 48.1% full as of 2014-04-19

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 2014-04-19 48.1 1,063.44 -12.86 21,806 21,792 45,288 1,596
Yesterday 2014-04-18 48.6 1,063.57 -12.73 22,014 22,000 45,288 1,605
2 days ago 2014-04-17 49.1 1,063.71 -12.59 22,240 22,226 45,288 1,615
1 week ago 2014-04-12 49.8 1,063.90 -12.40 22,548 22,534 45,288 1,628
1 month ago 2014-03-19 50.6 1,064.12 -12.18 22,908 22,894 45,288 1,644
3 months ago 2014-01-19 52.5 1,064.64 -11.66 23,772 23,758 45,288 1,680
6 months ago 2013-10-19 55.6 1,065.48 -10.82 25,206 25,192 45,288 1,734
1 year ago 2013-04-19 70.7 1,069.14 -7.16 32,052 32,038 45,288 2,015
*

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