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 2014-10-31

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 2014-10-31 100.0 41.94 0.21 126,808 120,686 120,686 10,284
Yesterday 2014-10-30 100.0 41.96 0.23 127,013 120,686 120,686 10,297
2 days ago 2014-10-29 100.0 41.99 0.26 127,323 120,686 120,686 10,316
1 week ago 2014-10-24 100.0 42.11 0.38 128,565 120,686 120,686 10,397
1 month ago 2014-09-30 100.0 42.17 0.44 129,190 120,686 120,686 10,441
3 months ago 2014-07-31 100.0 42.22 0.49 129,713 120,686 120,686 10,481
6 months ago 2014-04-30 100.0 41.85 0.12 125,884 120,686 120,686 10,229
1 year ago 2013-10-31 100.0 43.11 1.38 139,407 120,686 120,686 126,091
*

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