Lake Texoma: 100.0% full as of 2026-07-30

Lake Texoma straddles the border of Texas and Oklahoma, Texas has rights to 50% of Lake Texoma's total conservation capacity. Percent full, conservation storage and conservation capacity are based on the Texas share.

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 2026-07-30 100.0 618.19 2,579,611 1,243,801 1,243,801 79,326
Yesterday 2026-07-29 100.0 618.22 2,582,001 1,243,801 1,243,801 79,558
2 days ago 2026-07-28 100.0 618.27 2,585,985 1,243,801 1,243,801 79,945
1 week ago 2026-07-23 100.0 618.46 2,601,122 1,243,801 1,243,801 81,416
1 month ago 2026-06-30 100.0 619.00 2,644,144 1,243,801 1,243,801 85,596
3 months ago 2026-04-30 100.0 617.20 2,502,977 1,243,801 1,243,801 76,211
6 months ago 2026-01-30 97.5 616.16 2,425,044 1,212,522 1,243,801 73,352
1 year ago 2025-07-30 100.0 618.37 2,593,952 1,243,801 1,243,801 80,719
*

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 2026-07-30 15:00 618.19 617.00 1.19 into flood pool
1 hour prior 2026-07-30 14:00 618.17 617.00 1.17 into flood pool
2 hours prior 2026-07-30 13:00 618.18 617.00 1.18 into flood pool
6 hours prior 2026-07-30 09:00 618.19 617.00 1.19 into flood pool
12 hours prior 2026-07-30 03:00 618.19 617.00 1.19 into flood pool
24 hours prior 2026-07-29 15:00 618.23 617.00 1.23 into flood pool
48 hours prior 2026-07-28 15:00 618.27 617.00 1.27 into flood pool
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1944-01-01
Vertical datum NGVD29
Dead pool elevation 523.00 ft above NGVD29
Emergency spillway crest elevation 640.00 ft above NGVD29
Flood pool elevation 640.00 ft above NGVD29
Maximum design elevation 666.40 ft above NGVD29
Top of dam elevation 670.00 ft above NGVD29
Conservation pool elevation 617.00 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1942-08-01 (source: USACE)
1969-03-01 (source: USACE)
1985-07-01 (source: USACE)
2002-07-01 (source: TWDB) : GIS Data
2016-07-01 (source: USACE)
Data Source USACE:DSNT2

Lake Location