Toledo Bend Reservoir: 90.3% full as of 2026-08-11
Toledo Bend Reservoir straddles the border of Texas and Louisiana, Texas has rights to 50% of Toledo Bend Reservoir'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 | 2026-08-11 | 90.3 | 169.35 | 4,042,517 | 2,019,208 | 2,236,450 | 169,771 |
| Yesterday | 2026-08-10 | 90.4 | 169.37 | 4,045,804 | 2,020,852 | 2,236,450 | 169,863 |
| 2 days ago | 2026-08-09 | 90.5 | 169.42 | 4,054,043 | 2,024,972 | 2,236,450 | 170,092 |
| 1 week ago | 2026-08-04 | 91.4 | 169.65 | 4,092,560 | 2,044,230 | 2,236,450 | 171,164 |
| 1 month ago | 2026-07-11 | 93.8 | 170.29 | 4,198,936 | 2,097,418 | 2,236,450 | 174,224 |
| 3 months ago | 2026-05-11 | 90.8 | 169.49 | 4,065,623 | 2,030,762 | 2,236,450 | 170,414 |
| 6 months ago | 2026-02-11 | 84.3 | 167.72 | 3,774,443 | 1,885,172 | 2,236,450 | 162,184 |
| 1 year ago | 2025-08-11 | 92.3 | 169.89 | 4,133,244 | 2,064,572 | 2,236,450 | 172,306 |
*
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 | 2026-08-11 17:15 | 169.27 | 172.00 | -2.73 |
| 1 hour prior | 2026-08-11 16:15 | 169.29 | 172.00 | -2.71 |
| 2 hours prior | 2026-08-11 15:15 | 169.33 | 172.00 | -2.67 |
| 6 hours prior | 2026-08-11 11:15 | 169.36 | 172.00 | -2.64 |
| 12 hours prior | 2026-08-11 05:15 | 169.39 | 172.00 | -2.61 |
| 24 hours prior | 2026-08-10 17:15 | 169.25 | 172.00 | -2.75 |
| 48 hours prior | 2026-08-09 17:15 | 169.38 | 172.00 | -2.62 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1969-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 100.00 ft above NGVD29 |
| Service spillway crest elevation | 145.00 ft above NGVD29 |
| Emergency spillway crest elevation | 173.00 ft above NGVD29 |
| Maximum design elevation | 175.30 ft above NGVD29 |
| Top of dam elevation | 185.00 ft above NGVD29 |
| Conservation pool elevation | 172.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1974-10-01 (source: TWDB)
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| Data Source | USGS:08025350 |
| USGS Monitoring Location | USGS:08025350 |
Lake Location
