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