Bois d'Arc Lake: 87.5% full as of 2026-10-24

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 2026-10-24 87.5 531.15 321,485 321,485 367,609 15,263
Yesterday 2026-10-23 87.5 531.17 321,814 321,814 367,609 15,272
2 days ago 2026-10-22 87.7 531.20 322,308 322,308 367,609 15,286
1 week ago 2026-10-17 88.3 531.34 324,610 324,610 367,609 15,352
1 month ago 2026-09-24 89.7 531.66 329,874 329,874 367,609 15,502
3 months ago 2026-07-24 99.4 533.87 365,520 365,520 367,609 16,470
6 months ago 2026-04-24 88.8 531.46 326,584 326,584 367,609 15,408
1 year ago 2025-10-24 91.8 532.12 337,395 337,395 367,609 15,713
*

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 2026-10-24 18:45 531.14 534.00 -2.86
1 hour prior 2026-10-24 17:45 531.09 534.00 -2.91
2 hours prior 2026-10-24 16:45 531.11 534.00 -2.89
6 hours prior 2026-10-24 12:45 531.17 534.00 -2.83
12 hours prior 2026-10-24 06:45 531.15 534.00 -2.85
24 hours prior 2026-10-23 18:45 531.18 534.00 -2.82
48 hours prior 2026-10-22 18:45 531.19 534.00 -2.81
*

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)
Data Source USGS:07332621
USGS Monitoring Location USGS:07332621

Lake Location