Lake Travis: 90.5% full as of 2026-09-23

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 2026-09-23 90.5 675.33 1,010,801 993,769 1,098,044 17,744
1 day prior 2026-09-22 90.7 675.43 1,012,576 995,544 1,098,044 17,767
2 days prior 2026-09-21 90.9 675.57 1,015,066 998,034 1,098,044 17,799
1 week prior 2026-09-16 92.0 676.28 1,027,760 1,010,728 1,098,044 17,960
1 month prior 2026-08-23 97.2 679.35 1,083,976 1,066,944 1,098,044 18,658
3 months prior 2026-06-23 86.4 672.76 966,045 949,013 1,098,044 17,085
6 months prior 2026-03-23 75.1 665.07 841,635 824,603 1,098,044 15,281
1 year prior 2025-09-23 85.4 672.12 955,160 938,128 1,098,044 16,931
*

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 2026-09-23 23:30 675.23 681.00 -5.77 below flood pool
1 hour prior 2026-09-23 22:30 675.21 681.00 -5.79 below flood pool
2 hours prior 2026-09-23 21:30 675.22 681.00 -5.78 below flood pool
6 hours prior 2026-09-23 17:30 675.27 681.00 -5.73 below flood pool
12 hours prior 2026-09-23 11:30 675.32 681.00 -5.68 below flood pool
24 hours prior 2026-09-22 23:30 675.36 681.00 -5.64 below flood pool
48 hours prior 2026-09-21 23:30 675.50 681.00 -5.50 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