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 2014-04-23

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 2014-04-23 100.0 42.03 -2.47 137,226 128,054 128,054 12,692
1 day prior 2014-04-22 100.0 42.06 -2.44 137,553 128,054 128,054 12,851
2 days prior 2014-04-21 100.0 42.05 -2.45 137,444 128,054 128,054 12,798
1 week prior 2014-04-16 100.0 42.07 -2.43 137,662 128,054 128,054 12,904
1 month prior 2014-03-23 100.0 42.43 -2.07 141,613 128,054 128,054 15,127
3 months prior 2014-01-23 100.0 42.16 -2.34 138,643 128,054 128,054 13,397
6 months prior 2013-10-23 100.0 42.39 -2.11 141,172 128,054 128,054 14,852
1 year prior 2013-04-23 100.0 42.00 -2.50 136,901 128,054 128,054 12,549
*

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