Bois d'Arc Lake: 97.8% full as of 2026-08-03
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 | 2026-08-03 | 97.8 | 533.50 | 359,573 | 359,573 | 367,609 | 16,310 |
| Yesterday | 2026-08-02 | 97.9 | 533.51 | 359,734 | 359,734 | 367,609 | 16,314 |
| 2 days ago | 2026-08-01 | 98.0 | 533.54 | 360,216 | 360,216 | 367,609 | 16,327 |
| 1 week ago | 2026-07-27 | 98.9 | 533.74 | 363,430 | 363,430 | 367,609 | 16,414 |
| 1 month ago | 2026-07-03 | 100.0 | 534.36 | 373,736 | 367,609 | 367,609 | 16,690 |
| 3 months ago | 2026-05-03 | 88.2 | 531.32 | 324,281 | 324,281 | 367,609 | 15,342 |
| 6 months ago | 2026-02-03 | 88.2 | 531.31 | 324,117 | 324,117 | 367,609 | 15,338 |
| 1 year ago | 2025-08-03 | 97.7 | 533.48 | 359,252 | 359,252 | 367,609 | 16,301 |
*
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 | 2026-08-03 14:45 | 533.49 | 534.00 | -0.51 |
| 1 hour prior | 2026-08-03 13:45 | 533.49 | 534.00 | -0.51 |
| 2 hours prior | 2026-08-03 12:45 | 533.50 | 534.00 | -0.50 |
| 6 hours prior | 2026-08-03 08:45 | 533.49 | 534.00 | -0.51 |
| 12 hours prior | 2026-08-03 02:45 | 533.50 | 534.00 | -0.50 |
| 24 hours prior | 2026-08-02 14:45 | 533.51 | 534.00 | -0.49 |
| 48 hours prior | 2026-08-01 14:45 | 533.53 | 534.00 | -0.47 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 2021-04-14 |
| Vertical datum | NAVD88 |
| Service spillway crest elevation | 534.00 ft above NAVD88 |
| Emergency spillway crest elevation | 540.00 ft above NAVD88 |
| Maximum design elevation | 550.00 ft above NAVD88 |
| Top of dam elevation | 553.00 ft above NAVD88 |
| Conservation pool elevation | 534.00 ft above NAVD88 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
2021-04-14 (source: NTMWD)
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|
| Data Source | USGS:07332621 |
| USGS Monitoring Location | USGS:07332621 |
Lake Location
