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 2014-11-23

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 2014-11-23 100.0 42.11 0.38 128,565 120,686 120,686 10,397
Yesterday 2014-11-22 100.0 41.96 0.23 127,013 120,686 120,686 10,297
2 days ago 2014-11-21 100.0 41.84 0.11 125,782 120,686 120,686 10,223
1 week ago 2014-11-16 100.0 41.83 0.10 125,680 120,686 120,686 10,217
1 month ago 2014-10-23 100.0 42.14 0.41 128,877 120,686 120,686 10,419
3 months ago 2014-08-23 100.0 41.78 0.05 125,170 120,686 120,686 10,188
6 months ago 2014-05-23 100.0 42.24 0.51 129,923 120,686 120,686 10,497
1 year ago 2013-11-23 100.0 42.53 0.80 133,007 120,686 120,686 22,925
*

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