Benbrook Lake: 73.9% full as of 2026-10-05
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 | 2026-10-05 | 73.9 | 687.31 | 63,314 | 63,314 | 85,648 | 3,031 |
| Yesterday | 2026-10-04 | 73.4 | 687.16 | 62,860 | 62,860 | 85,648 | 3,020 |
| 2 days ago | 2026-10-03 | 73.0 | 687.04 | 62,498 | 62,498 | 85,648 | 3,011 |
| 1 week ago | 2026-09-28 | 70.5 | 686.32 | 60,348 | 60,348 | 85,648 | 2,960 |
| 1 month ago | 2026-09-05 | 78.1 | 688.48 | 66,915 | 66,915 | 85,648 | 3,127 |
| 3 months ago | 2026-07-05 | 96.4 | 693.15 | 82,563 | 82,563 | 85,648 | 3,553 |
| 6 months ago | 2026-04-05 | 84.3 | 690.13 | 72,201 | 72,201 | 85,648 | 3,287 |
| 1 year ago | 2025-10-05 | 88.6 | 691.22 | 75,847 | 75,847 | 85,648 | 3,401 |
*
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 | 2026-10-05 16:00 | 687.29 | 694.00 | -6.71 |
| 1 hour prior | 2026-10-05 15:00 | 687.27 | 694.00 | -6.73 |
| 2 hours prior | 2026-10-05 14:00 | 687.30 | 694.00 | -6.70 |
| 6 hours prior | 2026-10-05 10:00 | 687.33 | 694.00 | -6.67 |
| 12 hours prior | 2026-10-05 04:00 | 687.31 | 694.00 | -6.69 |
| 24 hours prior | 2026-10-04 16:00 | 687.23 | 694.00 | -6.77 |
| 48 hours prior | 2026-10-03 16:00 | 687.01 | 694.00 | -6.99 |
*
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
