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 2014-09-21

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 2014-09-21 100.0 42.42 0.69 131,828 120,686 120,686 15,078
Yesterday 2014-09-20 100.0 42.68 0.95 134,633 120,686 120,686 39,658
2 days ago 2014-09-19 100.0 42.83 1.10 136,279 120,686 120,686 63,274
1 week ago 2014-09-14 100.0 42.08 0.35 128,254 120,686 120,686 10,376
1 month ago 2014-08-21 100.0 41.79 0.06 125,272 120,686 120,686 10,194
3 months ago 2014-06-21 100.0 42.27 0.54 130,239 120,686 120,686 10,524
6 months ago 2014-03-21 100.0 42.56 0.83 133,331 120,686 120,686 25,834
1 year ago 2013-09-21 100.0 42.09 0.36 128,357 120,686 120,686 10,383
*

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