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 39.4% full as of 2014-10-25

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 2014-10-25 39.4 1,060.84 -15.46 17,875 17,861 45,288 1,435
Yesterday 2014-10-24 39.4 1,060.84 -15.46 17,875 17,861 45,288 1,435
2 days ago 2014-10-23 39.5 1,060.86 -15.44 17,904 17,890 45,288 1,436
1 week ago 2014-10-18 39.7 1,060.93 -15.37 18,005 17,991 45,288 1,440
1 month ago 2014-09-25 40.5 1,061.16 -15.14 18,337 18,323 45,288 1,453
3 months ago 2014-07-25 45.8 1,062.77 -13.53 20,753 20,739 45,288 1,548
6 months ago 2014-04-25 48.1 1,063.43 -12.87 21,791 21,777 45,288 1,595
1 year ago 2013-10-25 55.2 1,065.38 -10.92 25,033 25,019 45,288 1,728
*

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