Toledo Bend Reservoir: 92.2% full as of 2026-07-31
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 | 2026-07-31 | 92.2 | 169.85 | 4,126,502 | 2,061,201 | 2,236,450 | 172,115 |
| Yesterday | 2026-07-30 | 92.3 | 169.89 | 4,133,244 | 2,064,572 | 2,236,450 | 172,306 |
| 2 days ago | 2026-07-29 | 92.5 | 169.95 | 4,143,241 | 2,069,570 | 2,236,450 | 172,594 |
| 1 week ago | 2026-07-24 | 93.1 | 170.10 | 4,167,940 | 2,081,920 | 2,236,450 | 173,312 |
| 1 month ago | 2026-06-30 | 95.2 | 170.67 | 4,263,811 | 2,129,856 | 2,236,450 | 176,084 |
| 3 months ago | 2026-04-30 | 89.6 | 169.17 | 4,013,033 | 2,004,466 | 2,236,450 | 168,938 |
| 6 months ago | 2026-01-31 | 84.4 | 167.75 | 3,779,279 | 1,887,590 | 2,236,450 | 162,325 |
| 1 year ago | 2025-07-31 | 93.9 | 170.31 | 4,202,236 | 2,099,068 | 2,236,450 | 174,320 |
*
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 | 2026-07-31 15:45 | 169.83 | 172.00 | -2.17 |
| 1 hour prior | 2026-07-31 14:45 | 169.85 | 172.00 | -2.15 |
| 2 hours prior | 2026-07-31 13:45 | 169.86 | 172.00 | -2.14 |
| 6 hours prior | 2026-07-31 09:45 | 169.86 | 172.00 | -2.14 |
| 12 hours prior | 2026-07-31 03:45 | 169.85 | 172.00 | -2.15 |
| 24 hours prior | 2026-07-30 15:45 | 169.88 | 172.00 | -2.12 |
| 48 hours prior | 2026-07-29 15:45 | 169.93 | 172.00 | -2.07 |
*
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
