Lake Travis: 94.6% full as of 2026-09-05

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 2026-09-05 94.6 677.81 1,055,510 1,038,478 1,098,044 18,311
1 day prior 2026-09-04 94.8 677.93 1,057,709 1,040,677 1,098,044 18,338
2 days prior 2026-09-03 95.0 678.08 1,060,462 1,043,430 1,098,044 18,372
1 week prior 2026-08-29 96.2 678.78 1,073,378 1,056,346 1,098,044 18,529
1 month prior 2026-08-05 99.7 680.81 1,111,462 1,094,430 1,098,044 18,998
3 months prior 2026-06-05 82.1 669.89 918,001 900,969 1,098,044 16,400
6 months prior 2026-03-05 76.1 665.79 852,697 835,665 1,098,044 15,448
1 year prior 2025-09-05 87.4 673.40 977,030 959,998 1,098,044 17,245
*

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 2026-09-05 23:30 677.68 681.00 -3.32 below flood pool
1 hour prior 2026-09-05 22:30 677.74 681.00 -3.26 below flood pool
2 hours prior 2026-09-05 21:30 677.67 681.00 -3.33 below flood pool
6 hours prior 2026-09-05 17:30 677.71 681.00 -3.29 below flood pool
12 hours prior 2026-09-05 11:30 677.78 681.00 -3.22 below flood pool
24 hours prior 2026-09-04 23:30 677.85 681.00 -3.15 below flood pool
48 hours prior 2026-09-03 23:30 678.00 681.00 -3.00 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