Lake Texana: 89.9% full as of 2026-08-27

Historical Data

Date Percent Full Mean Water Level
(ft) 		Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft) 		Surface Area
(acres)
Most recent 2026-08-27 89.9 42.39 148,171 142,958 158,975 9,621
1 day prior 2026-08-26 90.2 42.43 148,557 143,344 158,975 9,638
2 days prior 2026-08-25 90.4 42.47 148,942 143,729 158,975 9,654
1 week prior 2026-08-20 91.8 42.70 151,174 145,961 158,975 9,748
1 month prior 2026-07-27 99.2 43.88 162,957 157,744 158,975 10,209
3 months prior 2026-05-27 89.4 42.30 147,307 142,094 158,975 9,584
6 months prior 2026-02-27 56.7 36.03 95,292 90,079 158,975 7,125
1 year prior 2025-08-27 89.1 42.26 146,924 141,711 158,975 9,567
*

Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

**

   Values above, including today's are averaged conditions. For near real-time instantaneous water level, see table below or the interactive map viewer.

Most Recent Instantaneous Water Level

Date/time Water Level
(ft) 		Conservation Pool Elevation
(ft) 		Height Above Conservation Pool
(ft)
Most recent 2026-08-27 23:00 42.36 44.00 -1.64
1 hour prior 2026-08-27 22:00 42.35 44.00 -1.65
2 hours prior 2026-08-27 21:00 42.34 44.00 -1.66
6 hours prior 2026-08-27 17:00 42.35 44.00 -1.65
12 hours prior 2026-08-27 11:00 42.38 44.00 -1.62
24 hours prior 2026-08-26 23:00 42.39 44.00 -1.61
48 hours prior 2026-08-25 23:00 42.45 44.00 -1.55
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1981-01-01
Vertical datum NGVD29
Dead pool elevation 14.00 ft above NGVD29
Service spillway crest elevation 23.00 ft above NGVD29
Emergency spillway crest elevation 45.00 ft above NGVD29
Maximum design elevation 47.00 ft above NGVD29
Top of dam elevation 55.00 ft above NGVD29
Conservation pool elevation 44.00 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

2000-08-01 (source: TWDB) : GIS Data
2010-03-01 (source: TWDB) : GIS Data
2020-08-01 (source: TWDB) : GIS Data
Data Source USGS:08164525
USGS Monitoring Location USGS:08164525

Lake Location