recent changes

2013-06-19: The vertical datums of gauge, conservation pool and dead pool elevations for this lake have been adjusted to NAVD88+0.68ft.

Lake L. B. Johnson is 96.3% full as of 2014-08-27

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 2014-08-27 96.3 824.68 -0.32 131,121 110,819 115,056 6,112
Yesterday 2014-08-26 96.3 824.68 -0.32 131,121 110,819 115,056 6,112
2 days ago 2014-08-25 96.4 824.69 -0.31 131,182 110,880 115,056 6,115
1 week ago 2014-08-20 96.4 824.69 -0.31 131,182 110,880 115,056 6,115
1 month ago 2014-07-27 96.8 824.77 -0.23 131,672 111,370 115,056 6,136
3 months ago 2014-05-27 95.3 824.49 -0.51 129,964 109,662 115,056 6,065
6 months ago 2014-02-27 96.5 824.72 -0.28 131,365 111,063 115,056 6,123
1 year ago 2013-08-27 96.4 824.69 -0.31 131,182 110,880 115,056 6,115
*

Percent Full is based on Conservation Storage and Conservation Capacity.

Additional Information

Impoundment date 1951-01-01
Vertical datum NAVD88 +0.68
Gauge LCRA:2958
Conservation pool elevation 825 ft above NGVD29 +0.68
Dead pool elevation 793 ft above NGVD29 +0.68

Elevation-Area-Capacity Curves

2007-05-01 (source: twdb) : GIS Data