Lake Texana: 88.4% full as of 2026-09-02
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 | 2026-09-02 | 88.4 | 42.13 | 145,684 | 140,471 | 158,975 | - n.a. - |
| Yesterday | 2026-09-01 | 88.5 | 42.16 | 145,970 | 140,757 | 158,975 | - n.a. - |
| 2 days ago | 2026-08-31 | 88.8 | 42.20 | 146,351 | 141,138 | 158,975 | - n.a. - |
| 1 week ago | 2026-08-26 | 90.2 | 42.43 | 148,557 | 143,344 | 158,975 | - n.a. - |
| 1 month ago | 2026-08-02 | 97.1 | 43.55 | 159,608 | 154,395 | 158,975 | - n.a. - |
| 3 months ago | 2026-06-02 | 99.8 | 43.97 | 163,878 | 158,665 | 158,975 | - n.a. - |
| 6 months ago | 2026-03-02 | 56.2 | 35.92 | 94,510 | 89,297 | 158,975 | 7,089 |
| 1 year ago | 2025-09-02 | 87.7 | 42.02 | 144,640 | 139,427 | 158,975 | 9,462 |
*
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 | 2026-09-02 00:00 | 42.13 | 44.00 | -1.87 |
| 1 hour prior | 2026-09-01 23:00 | 42.13 | 44.00 | -1.87 |
| 2 hours prior | 2026-09-01 22:00 | 42.13 | 44.00 | -1.87 |
| 6 hours prior | 2026-09-01 18:00 | 42.15 | 44.00 | -1.85 |
| 12 hours prior | 2026-09-01 12:00 | 42.17 | 44.00 | -1.83 |
| 24 hours prior | 2026-09-01 00:00 | 42.17 | 44.00 | -1.83 |
| 48 hours prior | 2026-08-31 00:00 | 42.22 | 44.00 | -1.78 |
*
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
