Bois d'Arc Lake: 85.8% full as of 2026-11-13
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 | 2026-11-13 | 85.8 | 530.77 | 315,235 | 315,235 | 367,609 | 15,085 |
| Yesterday | 2026-11-12 | 85.9 | 530.80 | 315,728 | 315,728 | 367,609 | 15,099 |
| 2 days ago | 2026-11-11 | 86.0 | 530.82 | 316,057 | 316,057 | 367,609 | 15,108 |
| 1 week ago | 2026-11-06 | 86.5 | 530.94 | 318,031 | 318,031 | 367,609 | 15,164 |
| 1 month ago | 2026-10-13 | 89.0 | 531.50 | 327,242 | 327,242 | 367,609 | 15,427 |
| 3 months ago | 2026-08-13 | 96.3 | 533.16 | 354,109 | 354,109 | 367,609 | 16,163 |
| 6 months ago | 2026-05-13 | 88.3 | 531.35 | 324,775 | 324,775 | 367,609 | 15,356 |
| 1 year ago | 2025-11-13 | 90.7 | 531.87 | 333,328 | 333,328 | 367,609 | 15,600 |
*
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 | 2026-11-13 21:45 | 530.74 | 534.00 | -3.26 |
| 1 hour prior | 2026-11-13 20:45 | 530.74 | 534.00 | -3.26 |
| 2 hours prior | 2026-11-13 19:45 | 530.74 | 534.00 | -3.26 |
| 6 hours prior | 2026-11-13 15:45 | 530.77 | 534.00 | -3.23 |
| 12 hours prior | 2026-11-13 09:45 | 530.80 | 534.00 | -3.20 |
| 24 hours prior | 2026-11-12 21:45 | 530.78 | 534.00 | -3.22 |
| 48 hours prior | 2026-11-11 21:45 | 530.82 | 534.00 | -3.18 |
*
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 |