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 2015-03-02

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 2015-03-02 100.0 42.06 0.33 128,046 120,686 120,686 10,362
Yesterday 2015-03-01 100.0 42.08 0.35 128,254 120,686 120,686 10,376
2 days ago 2015-02-28 100.0 42.05 0.32 127,943 120,686 120,686 10,356
1 week ago 2015-02-23 100.0 42.14 0.41 128,877 120,686 120,686 10,419
1 month ago 2015-02-02 100.0 42.02 0.29 127,632 120,686 120,686 10,336
3 months ago 2014-12-02 100.0 42.27 0.54 130,239 120,686 120,686 10,524
6 months ago 2014-09-02 99.2 41.63 -0.10 123,648 119,673 120,686 10,103
1 year ago 2014-03-02 100.0 42.55 0.82 133,223 120,686 120,686 24,864
*

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