Lake Texoma: 95.9% full as of 2026-09-18
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 | 2026-09-18 | 95.9 | 615.61 | 2,385,171 | 1,192,585 | 1,243,801 | 71,989 |
| Yesterday | 2026-09-17 | 95.9 | 615.62 | 2,385,888 | 1,192,944 | 1,243,801 | 72,012 |
| 2 days ago | 2026-09-16 | 95.9 | 615.63 | 2,386,605 | 1,193,302 | 1,243,801 | 72,035 |
| 1 week ago | 2026-09-11 | 96.3 | 615.77 | 2,396,641 | 1,198,320 | 1,243,801 | 72,357 |
| 1 month ago | 2026-08-18 | 100.0 | 617.11 | 2,496,059 | 1,243,801 | 1,243,801 | 76,026 |
| 3 months ago | 2026-06-18 | 100.0 | 618.83 | 2,630,600 | 1,243,801 | 1,243,801 | 84,280 |
| 6 months ago | 2026-03-18 | 99.0 | 616.68 | 2,463,771 | 1,231,885 | 1,243,801 | 74,868 |
| 1 year ago | 2025-09-18 | 99.1 | 616.70 | 2,465,261 | 1,232,630 | 1,243,801 | 74,926 |
*
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 | 2026-09-18 06:00 | 615.61 | 617.00 | -1.39 |
| 1 hour prior | 2026-09-18 05:00 | 615.61 | 617.00 | -1.39 |
| 2 hours prior | 2026-09-18 04:00 | 615.61 | 617.00 | -1.39 |
| 6 hours prior | 2026-09-18 00:00 | 615.61 | 617.00 | -1.39 |
| 12 hours prior | 2026-09-17 18:00 | 615.62 | 617.00 | -1.38 |
| 24 hours prior | 2026-09-17 06:00 | 615.62 | 617.00 | -1.38 |
| 48 hours prior | 2026-09-16 06:00 | 615.63 | 617.00 | -1.37 |
*
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 |