recent changes

2015-06-17: The elevation for the top of the conservation pool for Lake Granbury has been set to the reservoir's normal maximum operating elevation of 692.7 feet. The calculation for percent full is now based on this elevation.

Lake Granbury is 100.0% 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 2015-07-29 100.0 692.78 0.08 127,330 125,756 125,756 7,618
1 day prior 2015-07-28 100.0 692.75 0.05 127,102 125,756 125,756 7,611
2 days prior 2015-07-27 100.0 692.73 0.03 126,949 125,756 125,756 7,606
1 week prior 2015-07-22 100.0 692.73 0.03 126,949 125,756 125,756 7,606
1 month prior 2015-06-29 99.9 692.69 -0.01 126,645 125,680 125,756 7,596
3 months prior 2015-04-29 92.8 691.49 -1.21 117,702 116,737 125,756 7,306
6 months prior 2015-01-29 53.9 682.73 -9.97 68,773 67,808 125,756 4,235
1 year prior 2014-07-29 73.5 687.77 -4.93 93,420 92,455 125,756 5,745
*

Percent Full is based on Conservation Storage and Conservation Capacity.

Additional Information

Impoundment date 1969-01-01
Vertical datum NGVD29
Gauge USGS:08090900
Conservation pool elevation 692.7 ft above NGVD29
Dead pool elevation 640.0 ft above NGVD29

Elevation-Area-Capacity Curves

1969-01-01 (source: usgs)
2003-07-01 (source: twdb) : GIS Data