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 2014-08-20

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 2014-08-20 100.0 41.83 0.10 125,680 120,686 120,686 10,217
Yesterday 2014-08-19 100.0 41.80 0.07 125,374 120,686 120,686 10,200
2 days ago 2014-08-18 100.0 41.82 0.09 125,578 120,686 120,686 10,212
1 week ago 2014-08-13 100.0 41.98 0.25 127,219 120,686 120,686 10,310
1 month ago 2014-07-20 100.0 42.30 0.57 130,555 120,686 120,686 10,553
3 months ago 2014-05-20 100.0 42.38 0.65 131,403 120,686 120,686 13,468
6 months ago 2014-02-20 100.0 42.23 0.50 129,818 120,686 120,686 10,489
1 year ago 2013-08-20 99.2 41.64 -0.09 123,749 119,774 120,686 10,109
*

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