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 2016-02-06

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)
Most recent 2016-02-06 100.0 42.34 0.61 130,978 120,686 120,686 - n.a. -
1 day prior 2016-02-05 100.0 42.32 0.59 130,766 120,686 120,686 - n.a. -
2 days prior 2016-02-04 100.0 42.29 0.56 130,449 120,686 120,686 10,543
1 week prior 2016-01-30 100.0 42.40 0.67 131,615 120,686 120,686 - n.a. -
1 month prior 2016-01-06 100.0 42.62 0.89 133,979 120,686 120,686 - n.a. -
3 months prior 2015-11-06 100.0 42.55 0.82 133,223 120,686 120,686 - n.a. -
6 months prior 2015-08-06 100.0 41.89 0.16 126,294 120,686 120,686 10,254
1 year prior 2015-02-06 100.0 42.22 0.49 129,713 120,686 120,686 10,481
*

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
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1994-02-01 (source: twdb) : GIS Data
2011-12-01 (source: twdb) : GIS Data