Aquilla Lake: 91.6% 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 | 91.6 | 536.29 | 39,632 | 39,596 | 43,243 | 2,936 |
| Yesterday | 2026-08-23 | 91.8 | 536.33 | 39,749 | 39,713 | 43,243 | 2,943 |
| 2 days ago | 2026-08-22 | 92.1 | 536.37 | 39,867 | 39,831 | 43,243 | 2,949 |
| 1 week ago | 2026-08-17 | 93.6 | 536.59 | 40,520 | 40,484 | 43,243 | 2,980 |
| 1 month ago | 2026-07-24 | 100.0 | 537.98 | 44,773 | 43,243 | 43,243 | 3,141 |
| 3 months ago | 2026-05-24 | 97.4 | 537.13 | 42,145 | 42,109 | 43,243 | 3,042 |
| 6 months ago | 2026-02-24 | 93.3 | 536.54 | 40,371 | 40,335 | 43,243 | 2,974 |
| 1 year ago | 2025-08-24 | 97.1 | 537.09 | 42,024 | 41,988 | 43,243 | 3,037 |
*
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 16:30 | 536.26 | 537.50 | -1.24 |
| 1 hour prior | 2026-08-24 15:30 | 536.26 | 537.50 | -1.24 |
| 2 hours prior | 2026-08-24 14:30 | 536.26 | 537.50 | -1.24 |
| 6 hours prior | 2026-08-24 10:30 | 536.28 | 537.50 | -1.22 |
| 12 hours prior | 2026-08-24 04:30 | 536.29 | 537.50 | -1.21 |
| 24 hours prior | 2026-08-23 16:30 | 536.32 | 537.50 | -1.18 |
| 48 hours prior | 2026-08-22 16:30 | 536.37 | 537.50 | -1.13 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1983-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 503.00 ft above NGVD29 |
| Emergency spillway crest elevation | 564.50 ft above NGVD29 |
| Flood pool elevation | 556.00 ft above NGVD29 |
| Maximum design elevation | 577.50 ft above NGVD29 |
| Top of dam elevation | 582.50 ft above NGVD29 |
| Conservation pool elevation | 537.50 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1983-04-01 (source: USGS)
1995-10-01 (source: TWDB)
: GIS Data
2002-04-01 (source: TWDB)
: GIS Data
2008-03-01 (source: TWDB)
: GIS Data
2014-07-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08093350 |
| USGS Monitoring Location | USGS:08093350 |
Lake Location
