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 39.1% full as of 2014-11-25

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 2014-11-25 39.1 1,060.73 -15.57 17,718 17,704 45,288 1,428
Yesterday 2014-11-24 39.0 1,060.71 -15.59 17,689 17,675 45,288 1,427
2 days ago 2014-11-23 38.7 1,060.60 -15.70 17,533 17,519 45,288 1,420
1 week ago 2014-11-18 38.2 1,060.46 -15.84 17,334 17,320 45,288 1,412
1 month ago 2014-10-25 39.4 1,060.83 -15.47 17,861 17,847 45,288 1,434
3 months ago 2014-08-25 42.9 1,061.92 -14.38 19,458 19,444 45,288 1,497
6 months ago 2014-05-25 46.0 1,062.82 -13.48 20,831 20,817 45,288 1,551
1 year ago 2013-11-25 53.6 1,064.95 -11.35 24,296 24,282 45,288 1,700
*

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