Benbrook Lake: 91.7% full as of 2026-08-05
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 | 2026-08-05 | 91.7 | 692.01 | 78,561 | 78,561 | 85,648 | 3,468 |
| Yesterday | 2026-08-04 | 92.0 | 692.08 | 78,804 | 78,804 | 85,648 | 3,474 |
| 2 days ago | 2026-08-03 | 92.3 | 692.16 | 79,082 | 79,082 | 85,648 | 3,480 |
| 1 week ago | 2026-07-29 | 93.0 | 692.32 | 79,640 | 79,640 | 85,648 | 3,492 |
| 1 month ago | 2026-07-05 | 96.4 | 693.15 | 82,563 | 82,563 | 85,648 | 3,553 |
| 3 months ago | 2026-05-05 | 90.6 | 691.73 | 77,593 | 77,593 | 85,648 | 3,445 |
| 6 months ago | 2026-02-05 | 88.9 | 691.30 | 76,119 | 76,119 | 85,648 | 3,408 |
| 1 year ago | 2025-08-05 | 98.2 | 693.59 | 84,148 | 84,148 | 85,648 | 3,594 |
*
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 | 2026-08-05 19:00 | 691.99 | 694.00 | -2.01 |
| 1 hour prior | 2026-08-05 18:00 | 691.98 | 694.00 | -2.02 |
| 2 hours prior | 2026-08-05 17:00 | 692.00 | 694.00 | -2.00 |
| 6 hours prior | 2026-08-05 13:00 | 692.00 | 694.00 | -2.00 |
| 12 hours prior | 2026-08-05 07:00 | 691.99 | 694.00 | -2.01 |
| 24 hours prior | 2026-08-04 19:00 | 692.06 | 694.00 | -1.94 |
| 48 hours prior | 2026-08-03 19:00 | 692.11 | 694.00 | -1.89 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1950-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 622.00 ft above NGVD29 |
| Service spillway crest elevation | 710.00 ft above NGVD29 |
| Emergency spillway crest elevation | 724.00 ft above NGVD29 |
| Flood pool elevation | 710.00 ft above NGVD29 |
| Maximum design elevation | 741.00 ft above NGVD29 |
| Top of dam elevation | 747.00 ft above NGVD29 |
| Conservation pool elevation | 694.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
| Data Source | USGS:08046500 |
| USGS Monitoring Location | USGS:08046500 |
Lake Location
