Lake Fork Reservoir: 81.4% full as of 2026-10-09
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 | 2026-10-09 | 81.4 | 398.48 | 524,829 | 493,386 | 606,088 | 23,377 |
| Yesterday | 2026-10-08 | 81.4 | 398.49 | 525,063 | 493,620 | 606,088 | 23,382 |
| 2 days ago | 2026-10-07 | 81.5 | 398.51 | 525,531 | 494,088 | 606,088 | 23,392 |
| 1 week ago | 2026-10-02 | 81.6 | 398.52 | 525,765 | 494,322 | 606,088 | 23,398 |
| 1 month ago | 2026-09-09 | 83.3 | 398.97 | 536,345 | 504,902 | 606,088 | 23,625 |
| 3 months ago | 2026-07-09 | 90.6 | 400.80 | 580,573 | 549,130 | 606,088 | 24,890 |
| 6 months ago | 2026-04-09 | 88.3 | 400.23 | 566,534 | 535,091 | 606,088 | 24,373 |
| 1 year ago | 2025-10-09 | 92.7 | 401.31 | 593,386 | 561,943 | 606,088 | 25,354 |
*
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 | 2026-10-09 03:30 | 398.48 | 403.00 | -4.52 |
| 1 hour prior | 2026-10-09 02:30 | 398.48 | 403.00 | -4.52 |
| 2 hours prior | 2026-10-09 01:30 | 398.48 | 403.00 | -4.52 |
| 6 hours prior | 2026-10-08 21:30 | 398.48 | 403.00 | -4.52 |
| 12 hours prior | 2026-10-08 15:30 | 398.49 | 403.00 | -4.51 |
| 24 hours prior | 2026-10-08 03:30 | 398.49 | 403.00 | -4.51 |
| 48 hours prior | 2026-10-07 03:30 | 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
