Lake Texana: 82.7% full as of 2026-10-29
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 | 2026-10-29 | 82.7 | 41.16 | 136,678 | 131,465 | 158,975 | 9,048 |
| Yesterday | 2026-10-28 | 82.8 | 41.17 | 136,769 | 131,556 | 158,975 | 9,053 |
| 2 days ago | 2026-10-27 | 82.8 | 41.18 | 136,859 | 131,646 | 158,975 | 9,058 |
| 1 week ago | 2026-10-22 | 86.5 | 41.81 | 142,664 | 137,451 | 158,975 | 9,365 |
| 1 month ago | 2026-09-29 | 82.8 | 41.18 | 136,859 | 131,646 | 158,975 | 9,058 |
| 3 months ago | 2026-07-29 | 97.9 | 43.67 | 160,822 | 155,609 | 158,975 | 10,133 |
| 6 months ago | 2026-04-29 | 64.7 | 37.76 | 108,145 | 102,932 | 158,975 | 7,751 |
| 1 year ago | 2025-10-29 | 74.8 | 39.72 | 124,081 | 118,868 | 158,975 | 8,491 |
*
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 | 2026-10-29 00:00 | 41.16 | 44.00 | -2.84 |
| 1 hour prior | 2026-10-28 23:00 | 41.16 | 44.00 | -2.84 |
| 2 hours prior | 2026-10-28 22:00 | 41.16 | 44.00 | -2.84 |
| 6 hours prior | 2026-10-28 18:00 | 41.16 | 44.00 | -2.84 |
| 12 hours prior | 2026-10-28 12:00 | 41.16 | 44.00 | -2.84 |
| 24 hours prior | 2026-10-28 00:00 | 41.18 | 44.00 | -2.82 |
| 48 hours prior | 2026-10-27 00:00 | 41.20 | 44.00 | -2.80 |
*
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 |