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 2015-05-29

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)
Most recent 2015-05-29 100.0 44.58 2.85 149,958 120,686 120,686 - n.a. -
1 day prior 2015-05-28 100.0 44.42 2.69 149,958 120,686 120,686 - n.a. -
2 days prior 2015-05-27 100.0 44.16 2.43 149,958 120,686 120,686 - n.a. -
1 week prior 2015-05-22 100.0 43.12 1.39 139,520 120,686 120,686 - n.a. -
1 month prior 2015-04-29 100.0 42.49 0.76 132,577 120,686 120,686 - n.a. -
3 months prior 2015-02-28 100.0 42.05 0.32 127,943 120,686 120,686 - n.a. -
6 months prior 2014-11-29 100.0 42.46 0.73 132,256 120,686 120,686 - n.a. -
1 year prior 2014-05-29 100.0 43.27 1.54 141,229 120,686 120,686 - 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