Lake Travis: 100.0% full as of 2026-07-30

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 2026-07-30 100.0 681.10 1,116,982 1,098,044 1,098,044 19,068
Yesterday 2026-07-29 100.0 681.07 1,116,410 1,098,044 1,098,044 19,061
2 days ago 2026-07-28 100.0 681.05 1,116,029 1,098,044 1,098,044 19,056
1 week ago 2026-07-23 100.0 682.63 1,146,436 1,098,044 1,098,044 19,436
1 month ago 2026-06-30 85.5 672.17 956,007 938,975 1,098,044 16,943
3 months ago 2026-04-30 73.4 663.86 823,312 806,280 1,098,044 15,008
6 months ago 2026-01-30 78.4 667.42 878,190 861,158 1,098,044 15,833
1 year ago 2025-07-30 90.5 675.30 1,010,268 993,236 1,098,044 17,738
*

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 2026-07-30 16:00 681.06 681.00 0.06 into flood pool
1 hour prior 2026-07-30 15:00 681.10 681.00 0.10 into flood pool
2 hours prior 2026-07-30 14:00 681.10 681.00 0.10 into flood pool
6 hours prior 2026-07-30 10:00 681.11 681.00 0.11 into flood pool
12 hours prior 2026-07-30 04:00 681.14 681.00 0.14 into flood pool
24 hours prior 2026-07-29 16:00 681.04 681.00 0.04 into flood pool
48 hours prior 2026-07-28 16:00 681.01 681.00 0.01 into 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