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 100.0% full as of 2015-07-01

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 2015-07-01 100.0 1,075.00 -1.30 45,302 45,288 45,288 - n.a. -
Yesterday 2015-06-30 100.0 1,075.02 -1.28 45,352 45,288 45,288 - n.a. -
2 days ago 2015-06-29 100.0 1,075.05 -1.25 45,426 45,288 45,288 - n.a. -
1 week ago 2015-06-24 100.0 1,075.22 -1.08 45,849 45,288 45,288 - n.a. -
1 month ago 2015-06-01 100.0 1,076.22 -0.08 48,373 45,288 45,288 - n.a. -
3 months ago 2015-04-01 37.9 1,060.35 -15.95 17,180 17,166 45,288 1,406
6 months ago 2015-01-01 38.2 1,060.46 -15.84 17,334 17,320 45,288 1,412
1 year ago 2014-07-01 43.7 1,062.14 -14.16 19,789 19,775 45,288 1,511
*

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