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 98.3% full as of 2015-07-29

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)
Most recent 2015-07-29 98.3 1,074.68 -1.62 44,514 44,500 45,288 2,422
1 day prior 2015-07-28 98.5 1,074.72 -1.58 44,612 44,598 45,288 2,425
2 days prior 2015-07-27 98.6 1,074.75 -1.55 44,686 44,672 45,288 2,427
1 week prior 2015-07-22 99.5 1,074.91 -1.39 45,080 45,066 45,288 2,438
1 month prior 2015-06-29 100.0 1,075.05 -1.25 45,426 45,288 45,288 - n.a. -
3 months prior 2015-04-29 38.3 1,060.47 -15.83 17,349 17,335 45,288 1,413
6 months prior 2015-01-29 38.0 1,060.37 -15.93 17,208 17,194 45,288 1,407
1 year prior 2014-07-29 45.5 1,062.67 -13.63 20,599 20,585 45,288 1,543
*

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