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 96.1% full as of 2016-05-06

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 2016-05-06 96.1 824.67 -0.73 131,059 110,697 115,249 6,110
Yesterday 2016-05-05 96.1 824.68 -0.72 131,121 110,759 115,249 6,112
2 days ago 2016-05-04 96.1 824.67 -0.73 131,059 110,697 115,249 6,110
1 week ago 2016-04-29 95.6 824.58 -0.82 130,511 110,149 115,249 6,087
1 month ago 2016-04-06 96.0 824.66 -0.74 130,998 110,636 115,249 6,107
3 months ago 2016-02-06 96.6 824.78 -0.62 131,733 111,371 115,249 6,138
6 months ago 2015-11-06 95.8 824.63 -0.77 130,815 110,453 115,249 6,100
1 year ago 2015-05-06 95.8 824.62 -0.78 130,754 110,392 115,249 6,097
*

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 825.4 ft above NAVD88 +0.68
Dead pool elevation 793.4 ft above NAVD88 +0.68
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

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