Bois d'Arc Lake: 90.0% full as of 2026-10-06
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Most recent | 2026-10-06 | 90.0 | 531.72 | 330,861 | 330,861 | 367,609 | 15,530 |
| 1 day prior | 2026-10-05 | 90.1 | 531.74 | 331,190 | 331,190 | 367,609 | 15,539 |
| 2 days prior | 2026-10-04 | 90.2 | 531.76 | 331,518 | 331,518 | 367,609 | 15,549 |
| 1 week prior | 2026-09-29 | 89.0 | 531.50 | 327,242 | 327,242 | 367,609 | 15,427 |
| 1 month prior | 2026-09-06 | 92.5 | 532.29 | 340,127 | 340,127 | 367,609 | 15,786 |
| 3 months prior | 2026-07-06 | 100.0 | 534.30 | 372,715 | 367,609 | 367,609 | 16,663 |
| 6 months prior | 2026-04-06 | 90.4 | 531.81 | 332,341 | 332,341 | 367,609 | 15,572 |
| 1 year prior | 2025-10-06 | 93.2 | 532.45 | 342,698 | 342,698 | 367,609 | 15,856 |
*
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 | 2026-10-06 21:45 | 531.72 | 534.00 | -2.28 |
| 1 hour prior | 2026-10-06 20:45 | 531.71 | 534.00 | -2.29 |
| 2 hours prior | 2026-10-06 19:45 | 531.72 | 534.00 | -2.28 |
| 6 hours prior | 2026-10-06 15:45 | 531.68 | 534.00 | -2.32 |
| 12 hours prior | 2026-10-06 09:45 | 531.74 | 534.00 | -2.26 |
| 24 hours prior | 2026-10-05 21:45 | 531.73 | 534.00 | -2.27 |
| 48 hours prior | 2026-10-04 21:45 | 531.76 | 534.00 | -2.24 |
*
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
