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 2015-04-18

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 2015-04-18 100.0 42.81 1.08 136,057 120,686 120,686 - n.a. -
Yesterday 2015-04-17 100.0 43.02 1.29 138,394 120,686 120,686 - n.a. -
2 days ago 2015-04-16 100.0 42.63 0.90 134,088 120,686 120,686 - n.a. -
1 week ago 2015-04-11 100.0 42.44 0.71 132,042 120,686 120,686 - n.a. -
1 month ago 2015-03-18 100.0 42.56 0.83 133,331 120,686 120,686 - n.a. -
3 months ago 2015-01-18 100.0 42.25 0.52 130,028 120,686 120,686 - n.a. -
6 months ago 2014-10-18 100.0 42.34 0.61 130,978 120,686 120,686 - n.a. -
1 year ago 2014-04-18 100.0 42.05 0.32 127,943 120,686 120,686 - 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