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