Ray Roberts Lake: 93.2% full as of 2026-11-07
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 | 2026-11-07 | 93.2 | 630.56 | 734,649 | 734,326 | 788,167 | 27,179 |
| Yesterday | 2026-11-06 | 93.3 | 630.60 | 735,736 | 735,413 | 788,167 | 27,201 |
| 2 days ago | 2026-11-05 | 93.3 | 630.60 | 735,736 | 735,413 | 788,167 | 27,201 |
| 1 week ago | 2026-10-31 | 93.4 | 630.64 | 736,825 | 736,502 | 788,167 | 27,224 |
| 1 month ago | 2026-10-07 | 94.9 | 631.07 | 748,584 | 748,261 | 788,167 | 27,470 |
| 3 months ago | 2026-08-07 | 98.5 | 632.07 | 776,353 | 776,030 | 788,167 | 28,079 |
| 6 months ago | 2026-05-07 | 99.8 | 632.44 | 786,790 | 786,467 | 788,167 | 28,440 |
| 1 year ago | 2025-11-07 | 96.7 | 631.57 | 762,393 | 762,070 | 788,167 | 27,767 |
*
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 | 2026-11-07 21:15 | 630.54 | 632.50 | -1.96 |
| 1 hour prior | 2026-11-07 20:15 | 630.54 | 632.50 | -1.96 |
| 2 hours prior | 2026-11-07 19:15 | 630.55 | 632.50 | -1.95 |
| 6 hours prior | 2026-11-07 15:15 | 630.54 | 632.50 | -1.96 |
| 12 hours prior | 2026-11-07 09:15 | 630.55 | 632.50 | -1.95 |
| 24 hours prior | 2026-11-06 21:15 | 630.59 | 632.50 | -1.91 |
| 48 hours prior | 2026-11-05 21:15 | 630.55 | 632.50 | -1.95 |
*
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 |