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 38.1% full as of 2015-04-26

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 2015-04-26 38.1 1,060.42 -15.88 17,278 17,264 45,288 1,410
Yesterday 2015-04-25 38.1 1,060.40 -15.90 17,250 17,236 45,288 1,409
2 days ago 2015-04-24 38.0 1,060.38 -15.92 17,222 17,208 45,288 1,408
1 week ago 2015-04-19 38.0 1,060.39 -15.91 17,236 17,222 45,288 1,408
1 month ago 2015-03-26 38.1 1,060.40 -15.90 17,250 17,236 45,288 1,409
3 months ago 2015-01-26 38.0 1,060.39 -15.91 17,236 17,222 45,288 1,408
6 months ago 2014-10-26 39.3 1,060.81 -15.49 17,832 17,818 45,288 1,433
1 year ago 2014-04-26 48.0 1,063.41 -12.89 21,759 21,745 45,288 1,594
*

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