Lake J.B. Thomas is 28.7% full as of 2014-09-21

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 2014-09-21 28.7 2,231.25 -26.75 58,040 57,367 199,931 3,647
Yesterday 2014-09-20 11.3 2,219.61 -38.39 23,194 22,521 199,931 2,265
2 days ago 2014-09-19 2.5 2,208.83 -49.17 5,636 4,963 199,931 980
1 week ago 2014-09-14 0.9 2,204.59 -53.41 2,476 1,803 199,931 519
1 month ago 2014-08-21 1.0 2,204.84 -53.16 2,609 1,936 199,931 545
3 months ago 2014-06-21 1.4 2,206.37 -51.63 3,554 2,881 199,931 695
6 months ago 2014-03-21 1.2 2,205.57 -52.43 3,031 2,358 199,931 614
1 year ago 2013-09-21 1.6 2,206.78 -51.22 3,848 3,175 199,931 740
*

Percent Full is based on Conservation Storage and Conservation Capacity.

Additional Information

Impoundment date 1952-01-01
Vertical datum NGVD29
Gauge USGS:08118000
Conservation pool elevation 2258.0 ft above NGVD29
Dead pool elevation 2200.0 ft above NGVD29

Elevation-Area-Capacity Curves

1952-01-01 (source: usgs)
1999-11-01 (source: twdb) : GIS Data