Lake Fork Reservoir: 81.0% full as of 2026-10-16
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 | 2026-10-16 | 81.0 | 398.37 | 522,261 | 490,818 | 606,088 | 23,319 |
| Yesterday | 2026-10-15 | 80.8 | 398.33 | 521,329 | 489,886 | 606,088 | 23,297 |
| 2 days ago | 2026-10-14 | 80.9 | 398.35 | 521,795 | 490,352 | 606,088 | 23,308 |
| 1 week ago | 2026-10-09 | 81.4 | 398.47 | 524,596 | 493,153 | 606,088 | 23,372 |
| 1 month ago | 2026-09-16 | 82.6 | 398.79 | 532,100 | 500,657 | 606,088 | 23,535 |
| 3 months ago | 2026-07-16 | 89.9 | 400.63 | 576,356 | 544,913 | 606,088 | 24,736 |
| 6 months ago | 2026-04-16 | 88.1 | 400.19 | 565,559 | 534,116 | 606,088 | 24,336 |
| 1 year ago | 2025-10-16 | 91.8 | 401.10 | 588,081 | 556,638 | 606,088 | 25,163 |
*
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 | 2026-10-16 10:30 | 398.42 | 403.00 | -4.58 |
| 1 hour prior | 2026-10-16 09:30 | 398.37 | 403.00 | -4.63 |
| 2 hours prior | 2026-10-16 08:30 | 398.39 | 403.00 | -4.61 |
| 6 hours prior | 2026-10-16 04:30 | 398.39 | 403.00 | -4.61 |
| 12 hours prior | 2026-10-15 22:30 | 398.36 | 403.00 | -4.64 |
| 24 hours prior | 2026-10-15 10:30 | 398.33 | 403.00 | -4.67 |
| 48 hours prior | 2026-10-14 10:30 | 398.34 | 403.00 | -4.66 |
*
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 |