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 46.0% full as of 2014-07-23

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 2014-07-23 46.0 1,062.84 -13.46 20,862 20,848 45,288 1,553
Yesterday 2014-07-22 46.0 1,062.84 -13.46 20,862 20,848 45,288 1,553
2 days ago 2014-07-21 46.1 1,062.86 -13.44 20,893 20,879 45,288 1,554
1 week ago 2014-07-16 43.1 1,061.98 -14.32 19,548 19,534 45,288 1,502
1 month ago 2014-06-23 44.2 1,062.30 -14.00 20,032 20,018 45,288 1,521
3 months ago 2014-04-23 48.2 1,063.45 -12.85 21,822 21,808 45,288 1,597
6 months ago 2014-01-23 52.6 1,064.67 -11.63 23,822 23,808 45,288 1,682
1 year ago 2013-07-23 64.1 1,067.60 -8.70 29,045 29,031 45,288 1,891
*

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