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 2014-08-01

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 2014-08-01 100.0 42.71 0.98 134,959 120,686 120,686 43,505
Yesterday 2014-07-31 100.0 42.22 0.49 129,713 120,686 120,686 10,481
2 days ago 2014-07-30 100.0 42.25 0.52 130,028 120,686 120,686 10,506
1 week ago 2014-07-25 100.0 42.41 0.68 131,721 120,686 120,686 14,421
1 month ago 2014-07-01 100.0 42.24 0.51 129,923 120,686 120,686 10,497
3 months ago 2014-05-01 100.0 41.83 0.10 125,680 120,686 120,686 10,217
6 months ago 2014-02-01 100.0 42.12 0.39 128,669 120,686 120,686 10,404
1 year ago 2013-08-01 100.0 41.94 0.21 126,808 120,686 120,686 10,284
*

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