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 2015-04-02

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 2015-04-02 100.0 42.59 0.86 133,655 120,686 120,686 - n.a. -
Yesterday 2015-04-01 100.0 42.57 0.84 133,439 120,686 120,686 - n.a. -
2 days ago 2015-03-31 100.0 42.55 0.82 133,223 120,686 120,686 - n.a. -
1 week ago 2015-03-26 100.0 42.82 1.09 136,168 120,686 120,686 - n.a. -
1 month ago 2015-03-02 100.0 42.09 0.36 128,357 120,686 120,686 - n.a. -
3 months ago 2015-01-02 100.0 42.46 0.73 132,256 120,686 120,686 - n.a. -
6 months ago 2014-10-02 100.0 42.09 0.36 128,357 120,686 120,686 - n.a. -
1 year ago 2014-04-02 100.0 42.30 0.57 130,555 120,686 120,686 - n.a. -
*

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