Lake Texana: 82.8% full as of 2026-11-01
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 | 2026-11-01 | 82.8 | 41.18 | 136,859 | 131,646 | 158,975 | 9,058 |
| Yesterday | 2026-10-31 | 82.8 | 41.18 | 136,859 | 131,646 | 158,975 | 9,058 |
| 2 days ago | 2026-10-30 | 82.6 | 41.15 | 136,588 | 131,375 | 158,975 | 9,043 |
| 1 week ago | 2026-10-25 | 84.4 | 41.46 | 139,415 | 134,202 | 158,975 | 9,198 |
| 1 month ago | 2026-10-01 | 82.7 | 41.16 | 136,678 | 131,465 | 158,975 | 9,048 |
| 3 months ago | 2026-08-01 | 97.1 | 43.55 | 159,608 | 154,395 | 158,975 | 10,089 |
| 6 months ago | 2026-05-01 | 65.1 | 37.83 | 108,689 | 103,476 | 158,975 | 7,779 |
| 1 year ago | 2025-11-01 | 74.0 | 39.57 | 122,811 | 117,598 | 158,975 | 8,440 |
*
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 | 2026-11-01 21:00 | 41.18 | 44.00 | -2.82 |
| 1 hour prior | 2026-11-01 20:00 | 41.18 | 44.00 | -2.82 |
| 2 hours prior | 2026-11-01 19:00 | 41.18 | 44.00 | -2.82 |
| 6 hours prior | 2026-11-01 15:00 | 41.18 | 44.00 | -2.82 |
| 12 hours prior | 2026-11-01 09:00 | 41.18 | 44.00 | -2.82 |
| 24 hours prior | 2026-10-31 21:00 | 41.18 | 44.00 | -2.82 |
| 48 hours prior | 2026-10-30 21:00 | 41.17 | 44.00 | -2.83 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1981-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 14.00 ft above NGVD29 |
| Service spillway crest elevation | 23.00 ft above NGVD29 |
| Emergency spillway crest elevation | 45.00 ft above NGVD29 |
| Maximum design elevation | 47.00 ft above NGVD29 |
| Top of dam elevation | 55.00 ft above NGVD29 |
| Conservation pool elevation | 44.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
2000-08-01 (source: TWDB)
: GIS Data
2010-03-01 (source: TWDB)
: GIS Data
2020-08-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08164525 |
| USGS Monitoring Location | USGS:08164525 |