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 42.2% full as of 2014-09-01

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 2014-09-01 42.2 1,061.71 -14.59 19,145 19,131 45,288 1,485
Yesterday 2014-08-31 42.4 1,061.76 -14.54 19,220 19,206 45,288 1,488
2 days ago 2014-08-30 42.5 1,061.79 -14.51 19,264 19,250 45,288 1,489
1 week ago 2014-08-25 42.9 1,061.92 -14.38 19,458 19,444 45,288 1,497
1 month ago 2014-08-01 45.2 1,062.60 -13.70 20,491 20,477 45,288 1,539
3 months ago 2014-06-01 45.5 1,062.69 -13.61 20,629 20,615 45,288 1,544
6 months ago 2014-03-01 50.8 1,064.19 -12.11 23,023 23,009 45,288 1,649
1 year ago 2013-09-01 59.5 1,066.46 -9.84 26,939 26,925 45,288 1,804
*

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