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 38.0% full as of 2015-02-01

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 2015-02-01 38.0 1,060.39 -15.91 17,236 17,222 45,288 1,408
Yesterday 2015-01-31 37.9 1,060.36 -15.94 17,194 17,180 45,288 1,407
2 days ago 2015-01-30 37.9 1,060.35 -15.95 17,180 17,166 45,288 1,406
1 week ago 2015-01-25 38.1 1,060.40 -15.90 17,250 17,236 45,288 1,409
1 month ago 2015-01-01 38.2 1,060.46 -15.84 17,334 17,320 45,288 1,412
3 months ago 2014-11-01 39.0 1,060.70 -15.60 17,675 17,661 45,288 1,426
6 months ago 2014-08-01 45.2 1,062.60 -13.70 20,491 20,477 45,288 1,539
1 year ago 2014-02-01 52.1 1,064.53 -11.77 23,588 23,574 45,288 1,672
*

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