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

Lake Location