Bois d'Arc Lake: 94.4% full as of 2026-08-24
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 | 2026-08-24 | 94.4 | 532.71 | 346,877 | 346,877 | 367,609 | 15,968 |
| Yesterday | 2026-08-23 | 94.5 | 532.74 | 347,359 | 347,359 | 367,609 | 15,981 |
| 2 days ago | 2026-08-22 | 94.6 | 532.77 | 347,841 | 347,841 | 367,609 | 15,994 |
| 1 week ago | 2026-08-17 | 95.3 | 532.93 | 350,412 | 350,412 | 367,609 | 16,063 |
| 1 month ago | 2026-07-24 | 99.3 | 533.84 | 365,038 | 365,038 | 367,609 | 16,457 |
| 3 months ago | 2026-05-24 | 88.5 | 531.39 | 325,433 | 325,433 | 367,609 | 15,375 |
| 6 months ago | 2026-02-24 | 89.5 | 531.61 | 329,051 | 329,051 | 367,609 | 15,478 |
| 1 year ago | 2025-08-24 | 95.9 | 533.06 | 352,502 | 352,502 | 367,609 | 16,119 |
*
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 | 2026-08-24 14:45 | 532.71 | 534.00 | -1.29 |
| 1 hour prior | 2026-08-24 13:45 | 532.69 | 534.00 | -1.31 |
| 2 hours prior | 2026-08-24 12:45 | 532.73 | 534.00 | -1.27 |
| 6 hours prior | 2026-08-24 08:45 | 532.72 | 534.00 | -1.28 |
| 12 hours prior | 2026-08-24 02:45 | 532.71 | 534.00 | -1.29 |
| 24 hours prior | 2026-08-23 14:45 | 532.77 | 534.00 | -1.23 |
| 48 hours prior | 2026-08-22 14:45 | 532.75 | 534.00 | -1.25 |
*
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
