Lake Texana: 88.5% full as of 2026-10-12
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 | 2026-10-12 | 88.5 | 42.16 | 145,970 | 140,757 | 158,975 | 9,524 |
| Yesterday | 2026-10-11 | 88.8 | 42.20 | 146,351 | 141,138 | 158,975 | 9,542 |
| 2 days ago | 2026-10-10 | 89.1 | 42.26 | 146,924 | 141,711 | 158,975 | 9,567 |
| 1 week ago | 2026-10-05 | 89.4 | 42.30 | 147,307 | 142,094 | 158,975 | 9,584 |
| 1 month ago | 2026-09-12 | 86.1 | 41.75 | 142,103 | 136,890 | 158,975 | 9,337 |
| 3 months ago | 2026-07-12 | 97.2 | 43.56 | 159,709 | 154,496 | 158,975 | 10,093 |
| 6 months ago | 2026-04-12 | 50.9 | 34.71 | 86,194 | 80,981 | 158,975 | 6,647 |
| 1 year ago | 2025-10-12 | 77.9 | 40.30 | 129,061 | 123,848 | 158,975 | 8,685 |
*
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 | 2026-10-12 13:00 | 42.14 | 44.00 | -1.86 |
| 1 hour prior | 2026-10-12 12:00 | 42.15 | 44.00 | -1.85 |
| 2 hours prior | 2026-10-12 11:00 | 42.15 | 44.00 | -1.85 |
| 6 hours prior | 2026-10-12 07:00 | 42.16 | 44.00 | -1.84 |
| 12 hours prior | 2026-10-12 01:00 | 42.17 | 44.00 | -1.83 |
| 24 hours prior | 2026-10-11 13:00 | 42.19 | 44.00 | -1.81 |
| 48 hours prior | 2026-10-10 13:00 | 42.25 | 44.00 | -1.75 |
*
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
