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 39.5% full as of 2014-10-22

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 2014-10-22 39.5 1,060.87 -15.43 17,918 17,904 45,288 1,436
Yesterday 2014-10-21 39.6 1,060.89 -15.41 17,947 17,933 45,288 1,437
2 days ago 2014-10-20 39.6 1,060.90 -15.40 17,961 17,947 45,288 1,438
1 week ago 2014-10-15 39.9 1,060.97 -15.33 18,062 18,048 45,288 1,442
1 month ago 2014-09-22 40.7 1,061.25 -15.05 18,468 18,454 45,288 1,458
3 months ago 2014-07-22 46.0 1,062.84 -13.46 20,862 20,848 45,288 1,553
6 months ago 2014-04-22 48.2 1,063.47 -12.83 21,854 21,840 45,288 1,598
1 year ago 2013-10-22 55.4 1,065.43 -10.87 25,119 25,105 45,288 1,731
*

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