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 42.9% full as of 2014-08-27

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 2014-08-27 42.9 1,061.90 -14.40 19,428 19,414 45,288 1,496
Yesterday 2014-08-26 42.9 1,061.90 -14.40 19,428 19,414 45,288 1,496
2 days ago 2014-08-25 42.9 1,061.92 -14.38 19,458 19,444 45,288 1,497
1 week ago 2014-08-20 43.5 1,062.10 -14.20 19,729 19,715 45,288 1,509
1 month ago 2014-07-27 45.6 1,062.71 -13.59 20,660 20,646 45,288 1,545
3 months ago 2014-05-27 45.9 1,062.80 -13.50 20,800 20,786 45,288 1,550
6 months ago 2014-02-27 50.8 1,064.19 -12.11 23,023 23,009 45,288 1,649
1 year ago 2013-08-27 60.0 1,066.59 -9.71 27,174 27,160 45,288 1,814
*

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