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 38.4% full as of 2014-12-21

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 2014-12-21 38.4 1,060.52 -15.78 17,419 17,405 45,288 1,416
Yesterday 2014-12-20 38.5 1,060.54 -15.76 17,448 17,434 45,288 1,417
2 days ago 2014-12-19 38.5 1,060.55 -15.75 17,462 17,448 45,288 1,418
1 week ago 2014-12-14 38.7 1,060.59 -15.71 17,518 17,504 45,288 1,420
1 month ago 2014-11-21 38.2 1,060.45 -15.85 17,320 17,306 45,288 1,412
3 months ago 2014-09-21 40.8 1,061.27 -15.03 18,498 18,484 45,288 1,460
6 months ago 2014-06-21 44.2 1,062.29 -14.01 20,017 20,003 45,288 1,520
1 year ago 2013-12-21 53.2 1,064.85 -11.45 24,126 24,112 45,288 1,693
*

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