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 2014-12-17

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 2014-12-17 100.0 42.06 0.33 128,046 120,686 120,686 10,362
Yesterday 2014-12-16 100.0 42.05 0.32 127,943 120,686 120,686 10,356
2 days ago 2014-12-15 100.0 42.08 0.35 128,254 120,686 120,686 10,376
1 week ago 2014-12-10 100.0 42.18 0.45 129,295 120,686 120,686 10,449
1 month ago 2014-11-17 100.0 41.76 0.03 124,966 120,686 120,686 10,177
3 months ago 2014-09-17 100.0 42.15 0.42 128,982 120,686 120,686 10,426
6 months ago 2014-06-17 100.0 42.39 0.66 131,509 120,686 120,686 13,786
1 year ago 2013-12-17 100.0 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