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 2015-09-02

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 2015-09-02 96.1 824.67 -0.73 131,059 110,697 115,249 6,110
Yesterday 2015-09-01 96.0 824.66 -0.74 130,998 110,636 115,249 6,107
2 days ago 2015-08-31 95.9 824.64 -0.76 130,876 110,514 115,249 6,102
1 week ago 2015-08-26 96.1 824.68 -0.72 131,121 110,759 115,249 6,112
1 month ago 2015-08-02 96.3 824.72 -0.68 131,365 111,003 115,249 6,123
3 months ago 2015-06-02 96.2 824.70 -0.70 131,243 110,881 115,249 6,117
6 months ago 2015-03-02 96.3 824.71 -0.69 131,304 110,942 115,249 6,120
1 year ago 2014-09-02 96.1 824.67 -0.73 131,059 110,697 115,249 6,110
*

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