Bois d'Arc Lake: 95.5% full as of 2026-08-16
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 | 2026-08-16 | 95.5 | 532.98 | 351,216 | 351,216 | 367,609 | 16,085 |
| Yesterday | 2026-08-15 | 95.6 | 533.00 | 351,538 | 351,538 | 367,609 | 16,094 |
| 2 days ago | 2026-08-14 | 95.8 | 533.05 | 352,341 | 352,341 | 367,609 | 16,115 |
| 1 week ago | 2026-08-09 | 96.7 | 533.25 | 355,555 | 355,555 | 367,609 | 16,202 |
| 1 month ago | 2026-07-16 | 100.0 | 534.12 | 369,651 | 367,609 | 367,609 | 16,581 |
| 3 months ago | 2026-05-16 | 87.9 | 531.26 | 323,294 | 323,294 | 367,609 | 15,314 |
| 6 months ago | 2026-02-16 | 89.8 | 531.68 | 330,203 | 330,203 | 367,609 | 15,511 |
| 1 year ago | 2025-08-16 | 96.8 | 533.26 | 355,716 | 355,716 | 367,609 | 16,206 |
*
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 | 2026-08-16 14:45 | 532.97 | 534.00 | -1.03 |
| 1 hour prior | 2026-08-16 13:45 | 532.98 | 534.00 | -1.02 |
| 2 hours prior | 2026-08-16 12:45 | 532.96 | 534.00 | -1.04 |
| 6 hours prior | 2026-08-16 08:45 | 532.99 | 534.00 | -1.01 |
| 12 hours prior | 2026-08-16 02:45 | 532.99 | 534.00 | -1.01 |
| 24 hours prior | 2026-08-15 14:45 | 533.01 | 534.00 | -0.99 |
| 48 hours prior | 2026-08-14 14:45 | 533.08 | 534.00 | -0.92 |
*
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
