Lake Travis: 94.1% full as of 2026-09-07

Historical Data

Date Percent Full Mean Water Level
(ft)
Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Surface Area
(acres)
Today 2026-09-07 94.1 677.54 1,050,574 1,033,542 1,098,044 18,250
Yesterday 2026-09-06 94.3 677.63 1,052,218 1,035,186 1,098,044 18,271
2 days ago 2026-09-05 94.5 677.78 1,054,961 1,037,929 1,098,044 18,304
1 week ago 2026-08-31 95.7 678.51 1,068,383 1,051,351 1,098,044 18,469
1 month ago 2026-08-07 99.5 680.69 1,109,184 1,092,152 1,098,044 18,970
3 months ago 2026-06-07 82.4 670.14 922,108 905,076 1,098,044 16,458
6 months ago 2026-03-07 76.2 665.84 853,470 836,438 1,098,044 15,460
1 year ago 2025-09-07 87.3 673.31 975,479 958,447 1,098,044 17,222
*

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 2026-09-07 13:25 677.53 681.00 -3.47 below flood pool
1 hour prior 2026-09-07 12:25 677.50 681.00 -3.50 below flood pool
2 hours prior 2026-09-07 11:25 677.50 681.00 -3.50 below flood pool
6 hours prior 2026-09-07 07:25 677.56 681.00 -3.44 below flood pool
12 hours prior 2026-09-07 01:25 677.52 681.00 -3.48 below flood pool
24 hours prior 2026-09-06 13:25 677.63 681.00 -3.37 below flood pool
48 hours prior 2026-09-05 13:25 677.81 681.00 -3.19 below flood pool
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1942-01-01
Vertical datum NAVD88 +0.6
Dead pool elevation 535.75 ft above NAVD88 +0.6
Emergency spillway crest elevation 714.00 ft above NAVD88 +0.6
Flood pool elevation 721.40 ft above NAVD88 +0.6
Maximum design elevation 745.00 ft above NAVD88 +0.6
Top of dam elevation 750.00 ft above NAVD88 +0.6
Conservation pool elevation 681.00 ft above NAVD88 +0.6
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

2008-07-01 (source: TWDB) : GIS Data
2019-11-01 (source: TWDB) : GIS Data
Data Source LCRA:3963

Lake Location