Bois d'Arc Lake: 90.2% full as of 2026-10-04
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 | 2026-10-04 | 90.2 | 531.77 | 331,683 | 331,683 | 367,609 | 15,553 |
| Yesterday | 2026-10-03 | 90.2 | 531.77 | 331,683 | 331,683 | 367,609 | 15,553 |
| 2 days ago | 2026-10-02 | 90.1 | 531.75 | 331,354 | 331,354 | 367,609 | 15,544 |
| 1 week ago | 2026-09-27 | 89.3 | 531.57 | 328,393 | 328,393 | 367,609 | 15,460 |
| 1 month ago | 2026-09-04 | 92.7 | 532.33 | 340,770 | 340,770 | 367,609 | 15,804 |
| 3 months ago | 2026-07-04 | 100.0 | 534.32 | 373,055 | 367,609 | 367,609 | 16,672 |
| 6 months ago | 2026-04-04 | 88.7 | 531.42 | 325,926 | 325,926 | 367,609 | 15,389 |
| 1 year ago | 2025-10-04 | 93.3 | 532.46 | 342,859 | 342,859 | 367,609 | 15,860 |
*
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 | 2026-10-04 15:45 | 531.75 | 534.00 | -2.25 |
| 1 hour prior | 2026-10-04 14:45 | 531.74 | 534.00 | -2.26 |
| 2 hours prior | 2026-10-04 13:45 | 531.78 | 534.00 | -2.22 |
| 6 hours prior | 2026-10-04 09:45 | 531.76 | 534.00 | -2.24 |
| 12 hours prior | 2026-10-04 03:45 | 531.78 | 534.00 | -2.22 |
| 24 hours prior | 2026-10-03 15:45 | 531.77 | 534.00 | -2.23 |
| 48 hours prior | 2026-10-02 15:45 | 531.75 | 534.00 | -2.25 |
*
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
