Bois d'Arc Lake: 87.1% full as of 2026-10-26
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 | 2026-10-26 | 87.1 | 531.07 | 320,169 | 320,169 | 367,609 | 15,225 |
| Yesterday | 2026-10-25 | 87.3 | 531.11 | 320,827 | 320,827 | 367,609 | 15,244 |
| 2 days ago | 2026-10-24 | 87.4 | 531.14 | 321,321 | 321,321 | 367,609 | 15,258 |
| 1 week ago | 2026-10-19 | 87.9 | 531.26 | 323,294 | 323,294 | 367,609 | 15,314 |
| 1 month ago | 2026-09-26 | 89.4 | 531.59 | 328,722 | 328,722 | 367,609 | 15,469 |
| 3 months ago | 2026-07-26 | 99.2 | 533.82 | 364,716 | 364,716 | 367,609 | 16,448 |
| 6 months ago | 2026-04-26 | 88.7 | 531.43 | 326,091 | 326,091 | 367,609 | 15,394 |
| 1 year ago | 2025-10-26 | 92.2 | 532.22 | 339,002 | 339,002 | 367,609 | 15,756 |
*
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 | 2026-10-26 13:45 | 531.07 | 534.00 | -2.93 |
| 1 hour prior | 2026-10-26 12:45 | 531.07 | 534.00 | -2.93 |
| 2 hours prior | 2026-10-26 11:45 | 531.08 | 534.00 | -2.92 |
| 6 hours prior | 2026-10-26 07:45 | 531.09 | 534.00 | -2.91 |
| 12 hours prior | 2026-10-26 01:45 | 531.07 | 534.00 | -2.93 |
| 24 hours prior | 2026-10-25 13:45 | 531.12 | 534.00 | -2.88 |
| 48 hours prior | 2026-10-24 13:45 | 531.15 | 534.00 | -2.85 |
*
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 |