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 38.2% full as of 2014-11-21

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 2014-11-21 38.2 1,060.45 -15.85 17,320 17,306 45,288 1,412
Yesterday 2014-11-20 38.2 1,060.45 -15.85 17,320 17,306 45,288 1,412
2 days ago 2014-11-19 38.2 1,060.45 -15.85 17,320 17,306 45,288 1,412
1 week ago 2014-11-14 38.4 1,060.52 -15.78 17,419 17,405 45,288 1,416
1 month ago 2014-10-21 39.6 1,060.89 -15.41 17,947 17,933 45,288 1,437
3 months ago 2014-08-21 43.4 1,062.06 -14.24 19,669 19,655 45,288 1,507
6 months ago 2014-05-21 46.1 1,062.87 -13.43 20,908 20,894 45,288 1,554
1 year ago 2013-11-21 53.7 1,064.97 -11.33 24,330 24,316 45,288 1,701
*

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