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 100.0% full as of 2016-05-04

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 2016-05-04 100.0 1,075.09 0.09 45,525 45,288 45,288 - n.a. -
Yesterday 2016-05-03 100.0 1,075.11 0.11 45,575 45,288 45,288 - n.a. -
2 days ago 2016-05-02 100.0 1,075.15 0.15 45,674 45,288 45,288 - n.a. -
1 week ago 2016-04-27 100.0 1,075.37 0.37 46,223 45,288 45,288 - n.a. -
1 month ago 2016-04-04 98.3 1,074.69 -0.31 44,539 44,525 45,288 2,423
3 months ago 2016-02-04 99.5 1,074.90 -0.10 45,055 45,041 45,288 2,437
6 months ago 2015-11-04 94.9 1,074.06 -0.94 43,007 42,993 45,288 2,379
1 year ago 2015-05-04 38.1 1,060.40 -14.60 17,250 17,236 45,288 1,409
*

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