Lake Fork Reservoir: 78.3% full as of 2026-11-13
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 | 2026-11-13 | 78.3 | 397.67 | 506,072 | 474,629 | 606,088 | 22,934 |
| Yesterday | 2026-11-12 | 78.4 | 397.70 | 506,759 | 475,316 | 606,088 | 22,951 |
| 2 days ago | 2026-11-11 | 78.5 | 397.71 | 506,989 | 475,546 | 606,088 | 22,956 |
| 1 week ago | 2026-11-06 | 78.9 | 397.82 | 509,518 | 478,075 | 606,088 | 23,018 |
| 1 month ago | 2026-10-13 | 80.9 | 398.36 | 522,028 | 490,585 | 606,088 | 23,313 |
| 3 months ago | 2026-08-13 | 86.2 | 399.70 | 553,727 | 522,284 | 606,088 | 24,002 |
| 6 months ago | 2026-05-13 | 90.8 | 400.85 | 581,820 | 550,377 | 606,088 | 24,936 |
| 1 year ago | 2025-11-13 | 89.5 | 400.52 | 573,640 | 542,197 | 606,088 | 24,636 |
*
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 | 2026-11-13 16:30 | 397.66 | 403.00 | -5.34 |
| 1 hour prior | 2026-11-13 15:30 | 397.66 | 403.00 | -5.34 |
| 2 hours prior | 2026-11-13 14:30 | 397.67 | 403.00 | -5.33 |
| 6 hours prior | 2026-11-13 10:30 | 397.66 | 403.00 | -5.34 |
| 12 hours prior | 2026-11-13 04:30 | 397.67 | 403.00 | -5.33 |
| 24 hours prior | 2026-11-12 16:30 | 397.69 | 403.00 | -5.31 |
| 48 hours prior | 2026-11-11 16:30 | 397.71 | 403.00 | -5.29 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1980-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 360.00 ft above NGVD29 |
| Top of gate elevation | 405.00 ft above NGVD29 |
| Emergency spillway crest elevation | 385.00 ft above NGVD29 |
| Maximum design elevation | 407.90 ft above NGVD29 |
| Top of dam elevation | 419.50 ft above NGVD29 |
| Conservation pool elevation | 403.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1980-02-01 (source: USGS)
2001-03-01 (source: TWDB)
: GIS Data
2009-10-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08018800 |
| USGS Monitoring Location | USGS:08018800 |
Lake Location
