Toledo Bend Reservoir: 84.8% full as of 2026-10-21
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 | 2026-10-21 | 84.8 | 167.86 | 3,796,964 | 1,896,432 | 2,236,450 | 162,842 |
| Yesterday | 2026-10-20 | 84.9 | 167.89 | 3,801,776 | 1,898,838 | 2,236,450 | 162,983 |
| 2 days ago | 2026-10-19 | 85.0 | 167.91 | 3,804,977 | 1,900,438 | 2,236,450 | 163,076 |
| 1 week ago | 2026-10-14 | 85.3 | 168.01 | 3,820,946 | 1,908,423 | 2,236,450 | 163,540 |
| 1 month ago | 2026-09-21 | 86.9 | 168.44 | 3,890,227 | 1,943,064 | 2,236,450 | 165,477 |
| 3 months ago | 2026-07-21 | 94.0 | 170.34 | 4,207,227 | 2,101,564 | 2,236,450 | 174,466 |
| 6 months ago | 2026-04-21 | 88.9 | 168.98 | 3,981,706 | 1,988,803 | 2,236,450 | 168,032 |
| 1 year ago | 2025-10-21 | 84.3 | 167.73 | 3,776,055 | 1,885,978 | 2,236,450 | 162,231 |
*
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 | 2026-10-21 04:15 | 167.87 | 172.00 | -4.13 |
| 1 hour prior | 2026-10-21 03:15 | 167.87 | 172.00 | -4.13 |
| 2 hours prior | 2026-10-21 02:15 | 167.87 | 172.00 | -4.13 |
| 6 hours prior | 2026-10-20 22:15 | 167.87 | 172.00 | -4.13 |
| 12 hours prior | 2026-10-20 16:15 | 167.95 | 172.00 | -4.05 |
| 24 hours prior | 2026-10-20 04:15 | 167.87 | 172.00 | -4.13 |
| 48 hours prior | 2026-10-19 04:15 | 167.90 | 172.00 | -4.10 |
*
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
