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 2014-04-17

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 2014-04-17 100.0 42.06 -2.44 137,553 128,054 128,054 12,851
Yesterday 2014-04-16 100.0 42.07 -2.43 137,662 128,054 128,054 12,904
2 days ago 2014-04-15 100.0 42.04 -2.46 137,335 128,054 128,054 12,745
1 week ago 2014-04-10 100.0 42.01 -2.49 137,009 128,054 128,054 12,596
1 month ago 2014-03-17 100.0 42.43 -2.07 141,613 128,054 128,054 15,127
3 months ago 2014-01-17 100.0 42.35 -2.15 140,730 128,054 128,054 14,577
6 months ago 2013-10-17 100.0 42.12 -2.38 138,206 128,054 128,054 13,169
1 year ago 2013-04-17 100.0 42.28 -2.22 139,959 128,054 128,054 14,122
*

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 44.5 ft above NGVD29 -0.7
Dead pool elevation 22.0 ft above NGVD29 -0.7

Elevation-Area-Capacity Curves

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