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 96.7% full as of 2016-02-13

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 2016-02-13 96.7 824.79 -0.61 131,794 111,432 115,249 6,141
Yesterday 2016-02-12 96.8 824.82 -0.58 131,978 111,616 115,249 6,149
2 days ago 2016-02-11 96.8 824.82 -0.58 131,978 111,616 115,249 6,149
1 week ago 2016-02-06 96.6 824.78 -0.62 131,733 111,371 115,249 6,138
1 month ago 2016-01-13 96.1 824.68 -0.72 131,121 110,759 115,249 6,112
3 months ago 2015-11-13 96.1 824.67 -0.73 131,059 110,697 115,249 6,110
6 months ago 2015-08-13 96.0 824.66 -0.74 130,998 110,636 115,249 6,107
1 year ago 2015-02-13 96.4 824.73 -0.67 131,426 111,064 115,249 6,125
*

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