Lake Fork Reservoir: 79.6% full as of 2026-10-26
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Most recent | 2026-10-26 | 79.6 | 398.00 | 513,670 | 482,227 | 606,088 | 23,118 |
| 1 day prior | 2026-10-25 | 79.7 | 398.03 | 514,364 | 482,921 | 606,088 | 23,134 |
| 2 days prior | 2026-10-24 | 79.8 | 398.05 | 514,827 | 483,384 | 606,088 | 23,145 |
| 1 week prior | 2026-10-19 | 80.2 | 398.16 | 517,376 | 485,933 | 606,088 | 23,205 |
| 1 month prior | 2026-09-26 | 81.5 | 398.51 | 525,531 | 494,088 | 606,088 | 23,392 |
| 3 months prior | 2026-07-26 | 88.6 | 400.30 | 568,241 | 536,798 | 606,088 | 24,436 |
| 6 months prior | 2026-04-26 | 89.1 | 400.43 | 571,427 | 539,984 | 606,088 | 24,554 |
| 1 year prior | 2025-10-26 | 91.3 | 400.96 | 584,568 | 553,125 | 606,088 | 25,036 |
*
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 | 2026-10-26 23:30 | 397.99 | 403.00 | -5.01 |
| 1 hour prior | 2026-10-26 22:30 | 398.00 | 403.00 | -5.00 |
| 2 hours prior | 2026-10-26 21:30 | 398.00 | 403.00 | -5.00 |
| 6 hours prior | 2026-10-26 17:30 | 398.00 | 403.00 | -5.00 |
| 12 hours prior | 2026-10-26 11:30 | 398.00 | 403.00 | -5.00 |
| 24 hours prior | 2026-10-25 23:30 | 398.01 | 403.00 | -4.99 |
| 48 hours prior | 2026-10-24 23:30 | 398.04 | 403.00 | -4.96 |
*
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
