Ray Roberts Lake: 95.0% full as of 2026-09-13
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 | 2026-09-13 | 95.0 | 631.08 | 748,859 | 748,536 | 788,167 | 27,476 |
| Yesterday | 2026-09-12 | 95.0 | 631.10 | 749,408 | 749,085 | 788,167 | 27,488 |
| 2 days ago | 2026-09-11 | 95.2 | 631.14 | 750,509 | 750,186 | 788,167 | 27,511 |
| 1 week ago | 2026-09-06 | 95.6 | 631.27 | 754,090 | 753,767 | 788,167 | 27,587 |
| 1 month ago | 2026-08-13 | 97.7 | 631.86 | 770,472 | 770,149 | 788,167 | 27,945 |
| 3 months ago | 2026-06-13 | 100.0 | 633.72 | 823,577 | 788,167 | 788,167 | - n.a. - |
| 6 months ago | 2026-03-13 | 100.0 | 632.97 | 801,892 | 788,167 | 788,167 | - n.a. - |
| 1 year ago | 2025-09-13 | 96.4 | 631.49 | 760,174 | 759,851 | 788,167 | 27,718 |
*
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 | 2026-09-13 18:15 | 631.05 | 632.50 | -1.45 |
| 1 hour prior | 2026-09-13 17:15 | 631.05 | 632.50 | -1.45 |
| 2 hours prior | 2026-09-13 16:15 | 631.06 | 632.50 | -1.44 |
| 6 hours prior | 2026-09-13 12:15 | 631.08 | 632.50 | -1.42 |
| 12 hours prior | 2026-09-13 06:15 | 631.10 | 632.50 | -1.40 |
| 24 hours prior | 2026-09-12 18:15 | 631.09 | 632.50 | -1.41 |
| 48 hours prior | 2026-09-11 18:15 | 631.12 | 632.50 | -1.38 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1987-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 551.00 ft above NGVD29 |
| Service spillway crest elevation | 645.50 ft above NGVD29 |
| Emergency spillway crest elevation | 645.50 ft above NGVD29 |
| Flood pool elevation | 640.50 ft above NGVD29 |
| Maximum design elevation | 658.80 ft above NGVD29 |
| Top of dam elevation | 665.00 ft above NGVD29 |
| Conservation pool elevation | 632.50 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
2008-10-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08051100 |
| USGS Monitoring Location | USGS:08051100 |
Lake Location
