Lake Fork Reservoir: 81.8% full as of 2026-10-04
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 | 2026-10-04 | 81.8 | 398.57 | 526,936 | 495,493 | 606,088 | 23,423 |
| Yesterday | 2026-10-03 | 81.6 | 398.54 | 526,233 | 494,790 | 606,088 | 23,408 |
| 2 days ago | 2026-10-02 | 81.6 | 398.52 | 525,765 | 494,322 | 606,088 | 23,398 |
| 1 week ago | 2026-09-27 | 81.4 | 398.48 | 524,829 | 493,386 | 606,088 | 23,377 |
| 1 month ago | 2026-09-04 | 83.7 | 399.07 | 538,710 | 507,267 | 606,088 | 23,675 |
| 3 months ago | 2026-07-04 | 90.9 | 400.87 | 582,319 | 550,876 | 606,088 | 24,954 |
| 6 months ago | 2026-04-04 | 87.8 | 400.10 | 563,372 | 531,929 | 606,088 | 24,254 |
| 1 year ago | 2025-10-04 | 93.3 | 401.44 | 596,690 | 565,247 | 606,088 | 25,472 |
*
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 | 2026-10-04 14:30 | 398.56 | 403.00 | -4.44 |
| 1 hour prior | 2026-10-04 13:30 | 398.56 | 403.00 | -4.44 |
| 2 hours prior | 2026-10-04 12:30 | 398.56 | 403.00 | -4.44 |
| 6 hours prior | 2026-10-04 08:30 | 398.57 | 403.00 | -4.43 |
| 12 hours prior | 2026-10-04 02:30 | 398.57 | 403.00 | -4.43 |
| 24 hours prior | 2026-10-03 14:30 | 398.56 | 403.00 | -4.44 |
| 48 hours prior | 2026-10-02 14:30 | 398.52 | 403.00 | -4.48 |
*
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
