Lake Ray Hubbard: 84.3% full as of 2026-10-19
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 | 2026-10-19 | 84.3 | 432.04 | 370,400 | 370,400 | 439,559 | 19,411 |
| Yesterday | 2026-10-18 | 84.4 | 432.06 | 370,788 | 370,788 | 439,559 | 19,418 |
| 2 days ago | 2026-10-17 | 84.7 | 432.13 | 372,148 | 372,148 | 439,559 | 19,442 |
| 1 week ago | 2026-10-12 | 85.3 | 432.28 | 375,068 | 375,068 | 439,559 | 19,489 |
| 1 month ago | 2026-09-19 | 84.8 | 432.16 | 372,732 | 372,732 | 439,559 | 19,452 |
| 3 months ago | 2026-07-19 | 98.4 | 435.16 | 432,507 | 432,507 | 439,559 | 20,564 |
| 6 months ago | 2026-04-19 | 100.0 | 435.55 | 440,610 | 439,559 | 439,559 | 21,010 |
| 1 year ago | 2025-10-19 | 91.6 | 433.68 | 402,640 | 402,640 | 439,559 | 19,904 |
*
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 | 2026-10-19 03:45 | 432.03 | 435.50 | -3.47 |
| 1 hour prior | 2026-10-19 02:45 | 432.04 | 435.50 | -3.46 |
| 2 hours prior | 2026-10-19 01:45 | 432.03 | 435.50 | -3.47 |
| 6 hours prior | 2026-10-18 21:45 | 432.04 | 435.50 | -3.46 |
| 12 hours prior | 2026-10-18 15:45 | 432.06 | 435.50 | -3.44 |
| 24 hours prior | 2026-10-18 03:45 | 432.08 | 435.50 | -3.42 |
| 48 hours prior | 2026-10-17 03:45 | 432.20 | 435.50 | -3.30 |
*
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
