Lake Ray Hubbard: 83.1% full as of 2026-10-29
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 | 2026-10-29 | 83.1 | 431.77 | 365,171 | 365,171 | 439,559 | 19,316 |
| Yesterday | 2026-10-28 | 83.1 | 431.78 | 365,364 | 365,364 | 439,559 | 19,320 |
| 2 days ago | 2026-10-27 | 83.3 | 431.81 | 365,944 | 365,944 | 439,559 | 19,330 |
| 1 week ago | 2026-10-22 | 83.9 | 431.95 | 368,654 | 368,654 | 439,559 | 19,379 |
| 1 month ago | 2026-09-29 | 82.6 | 431.67 | 363,242 | 363,242 | 439,559 | 19,283 |
| 3 months ago | 2026-07-29 | 96.4 | 434.74 | 423,933 | 423,933 | 439,559 | 20,296 |
| 6 months ago | 2026-04-29 | 100.0 | 435.61 | 441,872 | 439,559 | 439,559 | 21,087 |
| 1 year ago | 2025-10-29 | 93.1 | 434.01 | 409,225 | 409,225 | 439,559 | 20,011 |
*
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 | 2026-10-29 00:00 | 431.77 | 435.50 | -3.73 |
| 1 hour prior | 2026-10-28 23:00 | 431.77 | 435.50 | -3.73 |
| 2 hours prior | 2026-10-28 22:00 | 431.78 | 435.50 | -3.72 |
| 6 hours prior | 2026-10-28 18:00 | 431.77 | 435.50 | -3.73 |
| 12 hours prior | 2026-10-28 12:00 | 431.78 | 435.50 | -3.72 |
| 24 hours prior | 2026-10-28 00:00 | 431.79 | 435.50 | -3.71 |
| 48 hours prior | 2026-10-27 00:00 | 431.83 | 435.50 | -3.67 |
*
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
