Lake Travis: 98.5% full as of 2026-08-14
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 | 2026-08-14 | 98.5 | 680.12 | 1,098,410 | 1,081,378 | 1,098,044 | 18,834 |
| Yesterday | 2026-08-13 | 98.6 | 680.18 | 1,099,541 | 1,082,509 | 1,098,044 | 18,848 |
| 2 days ago | 2026-08-12 | 98.8 | 680.28 | 1,101,427 | 1,084,395 | 1,098,044 | 18,872 |
| 1 week ago | 2026-08-07 | 99.5 | 680.69 | 1,109,184 | 1,092,152 | 1,098,044 | 18,970 |
| 1 month ago | 2026-07-14 | 84.3 | 671.35 | 942,195 | 925,163 | 1,098,044 | 16,745 |
| 3 months ago | 2026-05-14 | 74.0 | 664.29 | 829,786 | 812,754 | 1,098,044 | 15,104 |
| 6 months ago | 2026-02-14 | 77.4 | 666.69 | 866,696 | 849,664 | 1,098,044 | 15,659 |
| 1 year ago | 2025-08-14 | 89.4 | 674.67 | 999,142 | 982,110 | 1,098,044 | 17,581 |
*
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 | 2026-08-14 11:30 | 680.08 | 681.00 | -0.92 |
| 1 hour prior | 2026-08-14 10:30 | 680.13 | 681.00 | -0.87 |
| 2 hours prior | 2026-08-14 09:30 | 680.13 | 681.00 | -0.87 |
| 6 hours prior | 2026-08-14 05:30 | 680.11 | 681.00 | -0.89 |
| 12 hours prior | 2026-08-13 23:30 | 680.17 | 681.00 | -0.83 |
| 24 hours prior | 2026-08-13 11:30 | 680.20 | 681.00 | -0.80 |
| 48 hours prior | 2026-08-12 11:30 | 680.30 | 681.00 | -0.70 |
*
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
