Toledo Bend Reservoir: 90.0% full as of 2026-08-13
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 | 2026-08-13 | 90.0 | 169.26 | 4,027,756 | 2,011,828 | 2,236,450 | 169,357 |
| Yesterday | 2026-08-12 | 90.0 | 169.28 | 4,031,028 | 2,013,464 | 2,236,450 | 169,449 |
| 2 days ago | 2026-08-11 | 90.2 | 169.33 | 4,039,230 | 2,017,565 | 2,236,450 | 169,679 |
| 1 week ago | 2026-08-06 | 91.0 | 169.53 | 4,072,312 | 2,034,106 | 2,236,450 | 170,600 |
| 1 month ago | 2026-07-13 | 94.2 | 170.40 | 4,217,207 | 2,106,554 | 2,236,450 | 174,756 |
| 3 months ago | 2026-05-13 | 90.6 | 169.43 | 4,055,697 | 2,025,798 | 2,236,450 | 170,138 |
| 6 months ago | 2026-02-13 | 84.3 | 167.71 | 3,772,831 | 1,884,366 | 2,236,450 | 162,137 |
| 1 year ago | 2025-08-13 | 91.9 | 169.79 | 4,116,373 | 2,056,136 | 2,236,450 | 171,828 |
*
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 | 2026-08-13 15:15 | 169.26 | 172.00 | -2.74 |
| 1 hour prior | 2026-08-13 14:15 | 169.26 | 172.00 | -2.74 |
| 2 hours prior | 2026-08-13 13:15 | 169.24 | 172.00 | -2.76 |
| 6 hours prior | 2026-08-13 09:15 | 169.28 | 172.00 | -2.72 |
| 12 hours prior | 2026-08-13 03:15 | 169.25 | 172.00 | -2.75 |
| 24 hours prior | 2026-08-12 15:15 | 169.27 | 172.00 | -2.73 |
| 48 hours prior | 2026-08-11 15:15 | 169.33 | 172.00 | -2.67 |
*
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)
|
|
| Data Source | USGS:08025350 |
| USGS Monitoring Location | USGS:08025350 |