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 37.9% full as of 2015-03-31

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 2015-03-31 37.9 1,060.35 -15.95 17,180 17,166 45,288 1,406
Yesterday 2015-03-30 37.9 1,060.36 -15.94 17,194 17,180 45,288 1,407
2 days ago 2015-03-29 38.0 1,060.37 -15.93 17,208 17,194 45,288 1,407
1 week ago 2015-03-24 38.2 1,060.45 -15.85 17,320 17,306 45,288 1,412
1 month ago 2015-02-28 37.4 1,060.20 -16.10 16,969 16,955 45,288 1,397
3 months ago 2014-12-31 38.2 1,060.46 -15.84 17,334 17,320 45,288 1,412
6 months ago 2014-09-30 40.1 1,061.05 -15.25 18,178 18,164 45,288 1,447
1 year ago 2014-03-31 50.1 1,063.99 -12.31 22,695 22,681 45,288 1,635
*

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