Lake Fork Reservoir: 84.2% full as of 2026-08-30
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 | 2026-08-30 | 84.2 | 399.21 | 542,029 | 510,586 | 606,088 | 23,746 |
| Yesterday | 2026-08-29 | 84.3 | 399.23 | 542,505 | 511,062 | 606,088 | 23,756 |
| 2 days ago | 2026-08-28 | 84.4 | 399.26 | 543,218 | 511,775 | 606,088 | 23,772 |
| 1 week ago | 2026-08-23 | 85.0 | 399.41 | 546,789 | 515,346 | 606,088 | 23,849 |
| 1 month ago | 2026-07-30 | 88.0 | 400.17 | 565,073 | 533,630 | 606,088 | 24,318 |
| 3 months ago | 2026-05-30 | 91.7 | 401.06 | 587,076 | 555,633 | 606,088 | 25,127 |
| 6 months ago | 2026-02-28 | 87.5 | 400.04 | 561,920 | 530,477 | 606,088 | 24,200 |
| 1 year ago | 2025-08-30 | 96.6 | 402.22 | 616,834 | 585,391 | 606,088 | 26,181 |
*
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 | 2026-08-30 08:30 | 399.20 | 403.00 | -3.80 |
| 1 hour prior | 2026-08-30 07:30 | 399.20 | 403.00 | -3.80 |
| 2 hours prior | 2026-08-30 06:30 | 399.21 | 403.00 | -3.79 |
| 6 hours prior | 2026-08-30 02:30 | 399.21 | 403.00 | -3.79 |
| 12 hours prior | 2026-08-29 20:30 | 399.22 | 403.00 | -3.78 |
| 24 hours prior | 2026-08-29 08:30 | 399.23 | 403.00 | -3.77 |
| 48 hours prior | 2026-08-28 08:30 | 399.27 | 403.00 | -3.73 |
*
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
