Lake Texana: 93.9% 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 | 93.9 | 43.03 | 154,413 | 149,200 | 158,975 | 9,887 |
| Yesterday | 2026-08-13 | 94.0 | 43.06 | 154,710 | 149,497 | 158,975 | 9,900 |
| 2 days ago | 2026-08-12 | 94.3 | 43.11 | 155,205 | 149,992 | 158,975 | 9,920 |
| 1 week ago | 2026-08-07 | 95.5 | 43.29 | 156,998 | 151,785 | 158,975 | 9,992 |
| 1 month ago | 2026-07-14 | 97.2 | 43.56 | 159,709 | 154,496 | 158,975 | 10,093 |
| 3 months ago | 2026-05-14 | 76.6 | 40.06 | 126,987 | 121,774 | 158,975 | 8,604 |
| 6 months ago | 2026-02-14 | 58.2 | 36.37 | 97,735 | 92,522 | 158,975 | 7,243 |
| 1 year ago | 2025-08-14 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
*
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 16:00 | 42.99 | 44.00 | -1.01 |
| 1 hour prior | 2026-08-14 15:00 | 42.99 | 44.00 | -1.01 |
| 2 hours prior | 2026-08-14 14:00 | 42.99 | 44.00 | -1.01 |
| 6 hours prior | 2026-08-14 10:00 | 43.02 | 44.00 | -0.98 |
| 12 hours prior | 2026-08-14 04:00 | 43.04 | 44.00 | -0.96 |
| 24 hours prior | 2026-08-13 16:00 | 43.03 | 44.00 | -0.97 |
| 48 hours prior | 2026-08-12 16:00 | 43.09 | 44.00 | -0.91 |
*
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 |
Lake Location
