Aquilla Lake: 77.4% full as of 2026-11-13
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 | 2026-11-13 | 77.4 | 534.07 | 33,519 | 33,483 | 43,243 | 2,588 |
| Yesterday | 2026-11-12 | 77.6 | 534.09 | 33,571 | 33,535 | 43,243 | 2,591 |
| 2 days ago | 2026-11-11 | 77.9 | 534.15 | 33,727 | 33,691 | 43,243 | 2,600 |
| 1 week ago | 2026-11-06 | 79.1 | 534.35 | 34,250 | 34,214 | 43,243 | 2,628 |
| 1 month ago | 2026-10-13 | 83.0 | 534.98 | 35,933 | 35,897 | 43,243 | 2,716 |
| 3 months ago | 2026-08-13 | 94.8 | 536.76 | 41,028 | 40,992 | 43,243 | 2,999 |
| 6 months ago | 2026-05-13 | 97.9 | 537.21 | 42,389 | 42,353 | 43,243 | 3,052 |
| 1 year ago | 2025-11-13 | 89.3 | 535.96 | 38,671 | 38,635 | 43,243 | 2,884 |
*
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 | 2026-11-13 18:30 | 534.07 | 537.50 | -3.43 |
| 1 hour prior | 2026-11-13 17:30 | 534.07 | 537.50 | -3.43 |
| 2 hours prior | 2026-11-13 16:30 | 534.06 | 537.50 | -3.44 |
| 6 hours prior | 2026-11-13 12:30 | 534.04 | 537.50 | -3.46 |
| 12 hours prior | 2026-11-13 06:30 | 534.08 | 537.50 | -3.42 |
| 24 hours prior | 2026-11-12 18:30 | 534.07 | 537.50 | -3.43 |
| 48 hours prior | 2026-11-11 18:30 | 534.14 | 537.50 | -3.36 |
*
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
