Lake Ray Hubbard: 82.8% full as of 2026-11-02
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 | 2026-11-02 | 82.8 | 431.71 | 364,013 | 364,013 | 439,559 | 19,296 |
| Yesterday | 2026-11-01 | 82.9 | 431.72 | 364,206 | 364,206 | 439,559 | 19,300 |
| 2 days ago | 2026-10-31 | 82.9 | 431.74 | 364,592 | 364,592 | 439,559 | 19,306 |
| 1 week ago | 2026-10-26 | 83.4 | 431.84 | 366,524 | 366,524 | 439,559 | 19,340 |
| 1 month ago | 2026-10-02 | 85.5 | 432.32 | 375,847 | 375,847 | 439,559 | 19,500 |
| 3 months ago | 2026-08-02 | 95.6 | 434.56 | 420,287 | 420,287 | 439,559 | 20,218 |
| 6 months ago | 2026-05-02 | 100.0 | 435.53 | 440,189 | 439,559 | 439,559 | 20,985 |
| 1 year ago | 2025-11-02 | 92.1 | 433.80 | 405,030 | 405,030 | 439,559 | 19,942 |
*
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 | 2026-11-02 00:00 | 431.71 | 435.50 | -3.79 |
| 1 hour prior | 2026-11-01 23:00 | 431.71 | 435.50 | -3.79 |
| 2 hours prior | 2026-11-01 22:00 | 431.71 | 435.50 | -3.79 |
| 6 hours prior | 2026-11-01 18:00 | 431.72 | 435.50 | -3.78 |
| 12 hours prior | 2026-11-01 12:00 | 431.72 | 435.50 | -3.78 |
| 24 hours prior | 2026-11-01 00:00 | 431.73 | 435.50 | -3.77 |
| 48 hours prior | 2026-10-31 00:00 | 431.75 | 435.50 | -3.75 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1969-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 388.00 ft above NGVD29 |
| Service spillway crest elevation | 409.50 ft above NGVD29 |
| Emergency spillway crest elevation | 437.50 ft above NGVD29 |
| Top of dam elevation | 450.00 ft above NGVD29 |
| Conservation pool elevation | 435.50 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1969-01-01 (source: USGS)
1997-10-01 (source: USGS)
2005-05-01 (source: TWDB)
: GIS Data
2015-08-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08061550 |
| USGS Monitoring Location | USGS:08061550 |
Lake Location
