Lake Travis: 92.8% full as of 2026-09-13

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 2026-09-13 92.8 676.71 1,035,505 1,018,473 1,098,044 18,061
Yesterday 2026-09-12 92.9 676.80 1,037,131 1,020,099 1,098,044 18,081
2 days ago 2026-09-11 93.1 676.94 1,039,665 1,022,633 1,098,044 18,113
1 week ago 2026-09-06 94.3 677.63 1,052,218 1,035,186 1,098,044 18,271
1 month ago 2026-08-13 98.6 680.18 1,099,541 1,082,509 1,098,044 18,848
3 months ago 2026-06-13 82.1 669.95 918,985 901,953 1,098,044 16,414
6 months ago 2026-03-13 76.0 665.71 851,462 834,430 1,098,044 15,430
1 year ago 2025-09-13 86.6 672.87 967,926 950,894 1,098,044 17,113
*

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 2026-09-13 20:30 676.60 681.00 -4.40 below flood pool
1 hour prior 2026-09-13 19:30 676.62 681.00 -4.38 below flood pool
2 hours prior 2026-09-13 18:30 676.61 681.00 -4.39 below flood pool
6 hours prior 2026-09-13 14:30 676.68 681.00 -4.32 below flood pool
12 hours prior 2026-09-13 08:30 676.73 681.00 -4.27 below flood pool
24 hours prior 2026-09-12 20:30 676.72 681.00 -4.28 below flood pool
48 hours prior 2026-09-11 20:30 676.84 681.00 -4.16 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