recent changes

2013-06-21: Per discussions with the USGS, the vertical datums of the TWDB 1994 rating curve and conservation and dead pool elevations have been adjusted to NGVD29-0.7ft. The Oct. 1st, 2009 USGS datum change to NAVD88 is correctly accounted for. Data prior to Oct. 1st 2009 are currently unavailable, pending correction.

Lake Houston is 100.0% full as of 2015-01-28

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 2015-01-28 100.0 42.66 0.93 134,415 120,686 120,686 37,093
Yesterday 2015-01-27 100.0 42.71 0.98 134,959 120,686 120,686 43,505
2 days ago 2015-01-26 100.0 42.74 1.01 135,289 120,686 120,686 48,291
1 week ago 2015-01-21 100.0 42.31 0.58 130,660 120,686 120,686 11,246
1 month ago 2014-12-28 100.0 42.40 0.67 131,615 120,686 120,686 14,104
3 months ago 2014-10-28 100.0 42.03 0.30 127,736 120,686 120,686 10,342
6 months ago 2014-07-28 100.0 42.28 0.55 130,344 120,686 120,686 10,533
1 year ago 2014-01-28 100.0 42.09 0.36 128,357 120,686 120,686 10,383
*

Percent Full is based on Conservation Storage and Conservation Capacity.

Additional Information

Impoundment date 1954-01-01
Vertical datum NAVD88
Gauge USGS:08072000
Conservation pool elevation 41.73 ft above NAVD88
Dead pool elevation 19.23 ft above NAVD88

Elevation-Area-Capacity Curves

1994-02-01 (source: twdb) : GIS Data
2011-12-01 (source: twdb) : GIS Data