Aquilla Lake: 83.5% full as of 2026-10-04
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 | 2026-10-04 | 83.5 | 535.05 | 36,123 | 36,087 | 43,243 | 2,727 |
| Yesterday | 2026-10-03 | 83.3 | 535.03 | 36,069 | 36,033 | 43,243 | 2,724 |
| 2 days ago | 2026-10-02 | 83.1 | 535.00 | 35,987 | 35,951 | 43,243 | 2,719 |
| 1 week ago | 2026-09-27 | 82.7 | 534.93 | 35,797 | 35,761 | 43,243 | 2,709 |
| 1 month ago | 2026-09-04 | 88.4 | 535.82 | 38,269 | 38,233 | 43,243 | 2,858 |
| 3 months ago | 2026-07-04 | 99.1 | 537.37 | 42,879 | 42,843 | 43,243 | 3,070 |
| 6 months ago | 2026-04-04 | 92.9 | 536.49 | 40,222 | 40,186 | 43,243 | 2,968 |
| 1 year ago | 2025-10-04 | 92.3 | 536.40 | 39,956 | 39,920 | 43,243 | 2,954 |
*
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 | 2026-10-04 16:30 | 535.09 | 537.50 | -2.41 |
| 1 hour prior | 2026-10-04 15:30 | 535.09 | 537.50 | -2.41 |
| 2 hours prior | 2026-10-04 14:30 | 535.09 | 537.50 | -2.41 |
| 6 hours prior | 2026-10-04 10:30 | 535.06 | 537.50 | -2.44 |
| 12 hours prior | 2026-10-04 04:30 | 535.05 | 537.50 | -2.45 |
| 24 hours prior | 2026-10-03 16:30 | 535.04 | 537.50 | -2.46 |
| 48 hours prior | 2026-10-02 16:30 | 535.01 | 537.50 | -2.49 |
*
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
