Lake Fork Reservoir: 79.8% full as of 2026-10-24
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 | 2026-10-24 | 79.8 | 398.05 | 514,827 | 483,384 | 606,088 | 23,145 |
| Yesterday | 2026-10-23 | 79.8 | 398.07 | 515,290 | 483,847 | 606,088 | 23,156 |
| 2 days ago | 2026-10-22 | 79.9 | 398.09 | 515,753 | 484,310 | 606,088 | 23,167 |
| 1 week ago | 2026-10-17 | 80.5 | 398.24 | 519,234 | 487,791 | 606,088 | 23,249 |
| 1 month ago | 2026-09-24 | 81.8 | 398.58 | 527,170 | 495,727 | 606,088 | 23,428 |
| 3 months ago | 2026-07-24 | 88.9 | 400.37 | 569,955 | 538,512 | 606,088 | 24,500 |
| 6 months ago | 2026-04-24 | 88.4 | 400.25 | 567,022 | 535,579 | 606,088 | 24,391 |
| 1 year ago | 2025-10-24 | 90.9 | 400.87 | 582,319 | 550,876 | 606,088 | 24,954 |
*
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 | 2026-10-24 16:30 | 398.04 | 403.00 | -4.96 |
| 1 hour prior | 2026-10-24 15:30 | 398.04 | 403.00 | -4.96 |
| 2 hours prior | 2026-10-24 14:30 | 398.05 | 403.00 | -4.95 |
| 6 hours prior | 2026-10-24 10:30 | 398.05 | 403.00 | -4.95 |
| 12 hours prior | 2026-10-24 04:30 | 398.06 | 403.00 | -4.94 |
| 24 hours prior | 2026-10-23 16:30 | 398.06 | 403.00 | -4.94 |
| 48 hours prior | 2026-10-22 16:30 | 398.09 | 403.00 | -4.91 |
*
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
