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 2014-10-20

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 2014-10-20 100.0 42.27 0.54 130,239 120,686 120,686 10,524
Yesterday 2014-10-19 100.0 42.28 0.55 130,344 120,686 120,686 10,533
2 days ago 2014-10-18 100.0 42.34 0.61 130,978 120,686 120,686 12,198
1 week ago 2014-10-13 100.0 42.47 0.74 132,363 120,686 120,686 18,360
1 month ago 2014-09-20 100.0 42.68 0.95 134,633 120,686 120,686 39,658
3 months ago 2014-07-20 100.0 42.30 0.57 130,555 120,686 120,686 10,553
6 months ago 2014-04-20 100.0 42.05 0.32 127,943 120,686 120,686 10,356
1 year ago 2013-10-20 100.0 42.69 0.96 134,741 120,686 120,686 40,940
*

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