Lake Ray Hubbard: 82.4% full as of 2026-11-08
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 | 2026-11-08 | 82.4 | 431.61 | 362,085 | 362,085 | 439,559 | 19,262 |
| Yesterday | 2026-11-07 | 82.5 | 431.63 | 362,471 | 362,471 | 439,559 | 19,269 |
| 2 days ago | 2026-11-06 | 82.7 | 431.68 | 363,434 | 363,434 | 439,559 | 19,286 |
| 1 week ago | 2026-11-01 | 82.9 | 431.72 | 364,206 | 364,206 | 439,559 | 19,300 |
| 1 month ago | 2026-10-08 | 85.9 | 432.42 | 377,799 | 377,799 | 439,559 | 19,529 |
| 3 months ago | 2026-08-08 | 94.1 | 434.24 | 413,838 | 413,838 | 439,559 | 20,094 |
| 6 months ago | 2026-05-08 | 99.6 | 435.41 | 437,679 | 437,679 | 439,559 | 20,834 |
| 1 year ago | 2025-11-08 | 91.6 | 433.67 | 402,441 | 402,441 | 439,559 | 19,901 |
*
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 | 2026-11-08 10:15 | 431.60 | 435.50 | -3.90 |
| 1 hour prior | 2026-11-08 09:15 | 431.60 | 435.50 | -3.90 |
| 2 hours prior | 2026-11-08 08:15 | 431.61 | 435.50 | -3.89 |
| 6 hours prior | 2026-11-08 04:15 | 431.61 | 435.50 | -3.89 |
| 12 hours prior | 2026-11-07 22:15 | 431.62 | 435.50 | -3.88 |
| 24 hours prior | 2026-11-07 10:15 | 431.62 | 435.50 | -3.88 |
| 48 hours prior | 2026-11-06 10:15 | 431.67 | 435.50 | -3.83 |
*
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 |