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 99.3% full as of 2015-09-03

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 2015-09-03 99.3 692.58 -0.12 125,811 124,846 125,756 7,571
Yesterday 2015-09-02 99.3 692.59 -0.11 125,886 124,921 125,756 7,573
2 days ago 2015-09-01 99.5 692.62 -0.08 126,114 125,149 125,756 7,580
1 week ago 2015-08-27 100.0 692.70 0.00 126,721 125,756 125,756 7,599
1 month ago 2015-08-03 100.0 692.70 0.00 126,721 125,756 125,756 7,599
3 months ago 2015-06-03 98.8 692.50 -0.20 125,206 124,241 125,756 7,552
6 months ago 2015-03-03 57.0 683.62 -9.08 72,630 71,665 125,756 4,431
1 year ago 2014-09-03 64.7 685.69 -7.01 82,324 81,359 125,756 4,977
*

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
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

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