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 2015-08-01

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 2015-08-01 100.0 42.02 0.29 127,632 120,686 120,686 10,336
Yesterday 2015-07-31 100.0 42.07 0.34 128,150 120,686 120,686 10,369
2 days ago 2015-07-30 100.0 42.09 0.36 128,357 120,686 120,686 10,383
1 week ago 2015-07-25 100.0 42.21 0.48 129,609 120,686 120,686 10,472
1 month ago 2015-07-01 100.0 42.91 1.18 137,164 120,686 120,686 - n.a. -
3 months ago 2015-05-01 100.0 42.74 1.01 135,289 120,686 120,686 - n.a. -
6 months ago 2015-02-01 100.0 42.13 0.40 128,773 120,686 120,686 - n.a. -
1 year ago 2014-08-01 100.0 42.68 0.95 134,633 120,686 120,686 - 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