Toledo Bend Reservoir: 89.2% full as of 2026-08-21
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 | 2026-08-21 | 89.2 | 169.06 | 3,994,974 | 1,995,437 | 2,236,450 | 168,416 |
| Yesterday | 2026-08-20 | 89.3 | 169.09 | 3,999,931 | 1,997,916 | 2,236,450 | 168,560 |
| 2 days ago | 2026-08-19 | 89.4 | 169.11 | 4,003,219 | 1,999,560 | 2,236,450 | 168,655 |
| 1 week ago | 2026-08-14 | 89.8 | 169.21 | 4,019,576 | 2,007,738 | 2,236,450 | 169,125 |
| 1 month ago | 2026-07-21 | 93.9 | 170.33 | 4,205,563 | 2,100,732 | 2,236,450 | 174,417 |
| 3 months ago | 2026-05-21 | 90.9 | 169.51 | 4,068,955 | 2,032,428 | 2,236,450 | 170,507 |
| 6 months ago | 2026-02-21 | 85.7 | 168.11 | 3,836,940 | 1,916,420 | 2,236,450 | 163,996 |
| 1 year ago | 2025-08-21 | 91.0 | 169.54 | 4,073,991 | 2,034,946 | 2,236,450 | 170,647 |
*
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 | 2026-08-21 11:15 | 169.11 | 172.00 | -2.89 |
| 1 hour prior | 2026-08-21 10:15 | 169.11 | 172.00 | -2.89 |
| 2 hours prior | 2026-08-21 09:15 | 169.11 | 172.00 | -2.89 |
| 6 hours prior | 2026-08-21 05:15 | 169.10 | 172.00 | -2.90 |
| 12 hours prior | 2026-08-20 23:15 | 169.06 | 172.00 | -2.94 |
| 24 hours prior | 2026-08-20 11:15 | 169.13 | 172.00 | -2.87 |
| 48 hours prior | 2026-08-19 11:15 | 169.15 | 172.00 | -2.85 |
*
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
