Toledo Bend Reservoir: 86.5% full as of 2026-09-24
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 | 2026-09-24 | 86.5 | 168.34 | 3,873,841 | 1,934,870 | 2,236,450 | 165,028 |
| Yesterday | 2026-09-23 | 86.6 | 168.37 | 3,878,712 | 1,937,306 | 2,236,450 | 165,162 |
| 2 days ago | 2026-09-22 | 86.7 | 168.40 | 3,883,583 | 1,939,742 | 2,236,450 | 165,296 |
| 1 week ago | 2026-09-17 | 87.3 | 168.54 | 3,906,955 | 1,951,428 | 2,236,450 | 165,933 |
| 1 month ago | 2026-08-24 | 89.0 | 169.00 | 3,985,060 | 1,990,480 | 2,236,450 | 168,129 |
| 3 months ago | 2026-06-24 | 96.0 | 170.87 | 4,298,856 | 2,147,378 | 2,236,450 | 177,080 |
| 6 months ago | 2026-03-24 | 88.2 | 168.80 | 3,951,311 | 1,973,606 | 2,236,450 | 167,159 |
| 1 year ago | 2025-09-24 | 85.5 | 168.06 | 3,828,943 | 1,912,422 | 2,236,450 | 163,768 |
*
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 | 2026-09-24 05:45 | 168.35 | 172.00 | -3.65 |
| 1 hour prior | 2026-09-24 04:45 | 168.35 | 172.00 | -3.65 |
| 2 hours prior | 2026-09-24 03:45 | 168.35 | 172.00 | -3.65 |
| 6 hours prior | 2026-09-23 23:45 | 168.33 | 172.00 | -3.67 |
| 12 hours prior | 2026-09-23 17:45 | 168.36 | 172.00 | -3.64 |
| 24 hours prior | 2026-09-23 05:45 | 168.38 | 172.00 | -3.62 |
| 48 hours prior | 2026-09-22 05:45 | 168.43 | 172.00 | -3.57 |
*
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
