Lake Granbury: 88.8% full as of 2026-11-11
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 | 2026-11-11 | 88.8 | 690.80 | 118,989 | 118,080 | 132,949 | 7,479 |
| Yesterday | 2026-11-10 | 88.8 | 690.79 | 118,915 | 118,006 | 132,949 | 7,475 |
| 2 days ago | 2026-11-09 | 88.7 | 690.78 | 118,840 | 117,931 | 132,949 | 7,472 |
| 1 week ago | 2026-11-04 | 88.5 | 690.74 | 118,542 | 117,633 | 132,949 | 7,457 |
| 1 month ago | 2026-10-11 | 87.4 | 690.55 | 117,131 | 116,222 | 132,949 | 7,388 |
| 3 months ago | 2026-08-11 | 91.2 | 691.22 | 122,163 | 121,254 | 132,949 | 7,632 |
| 6 months ago | 2026-05-11 | 99.4 | 692.60 | 133,043 | 132,134 | 132,949 | 8,136 |
| 1 year ago | 2025-11-11 | 93.8 | 691.67 | 125,635 | 124,726 | 132,949 | 7,796 |
*
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 | 2026-11-11 13:45 | 690.81 | 692.70 | -1.89 |
| 1 hour prior | 2026-11-11 12:45 | 690.82 | 692.70 | -1.88 |
| 2 hours prior | 2026-11-11 11:45 | 690.81 | 692.70 | -1.89 |
| 6 hours prior | 2026-11-11 07:45 | 690.80 | 692.70 | -1.90 |
| 12 hours prior | 2026-11-11 01:45 | 690.80 | 692.70 | -1.90 |
| 24 hours prior | 2026-11-10 13:45 | 690.79 | 692.70 | -1.91 |
| 48 hours prior | 2026-11-09 13:45 | 690.78 | 692.70 | -1.92 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1969-01-01 |
| Vertical datum | NGVD29 -1.11 |
| Dead pool elevation | 640.00 ft above NGVD29 -1.11 |
| Service spillway crest elevation | 658.00 ft above NGVD29 -1.11 |
| Emergency spillway crest elevation | 693.00 ft above NGVD29 -1.11 |
| Top of dam elevation | 706.50 ft above NGVD29 -1.11 |
| Conservation pool elevation | 692.70 ft above NGVD29 -1.11 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1969-01-01 (source: TWDB)
1993-10-01 (source: TWDB)
: GIS Data
2003-07-01 (source: TWDB)
: GIS Data
2015-06-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08090900 |
| USGS Monitoring Location | USGS:08090900 |
Lake Location
