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 92.4% full as of 2015-08-30

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 2015-08-30 92.4 1,073.59 -1.41 41,881 41,867 45,288 2,347
Yesterday 2015-08-29 92.6 1,073.62 -1.38 41,953 41,939 45,288 2,349
2 days ago 2015-08-28 92.8 1,073.66 -1.34 42,048 42,034 45,288 2,352
1 week ago 2015-08-23 93.6 1,073.80 -1.20 42,382 42,368 45,288 2,362
1 month ago 2015-07-30 98.1 1,074.65 -0.35 44,441 44,427 45,288 2,420
3 months ago 2015-05-30 96.6 1,074.37 -0.63 43,757 43,743 45,288 2,401
6 months ago 2015-02-28 37.4 1,060.20 -14.80 16,969 16,955 45,288 1,397
1 year ago 2014-08-30 42.5 1,061.79 -13.21 19,264 19,250 45,288 1,489
*

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 1075.0 ft above NGVD29 +1.3
Dead pool elevation 1030.0 ft above NGVD29 +1.3
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1958-01-01 (source: usgs)
1998-04-01 (source: twdb) : GIS Data