Aquilla Lake: 98.4% full as of 2026-08-03
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 | 2026-08-03 | 98.4 | 537.27 | 42,572 | 42,536 | 43,243 | 3,059 |
| Yesterday | 2026-08-02 | 98.6 | 537.30 | 42,664 | 42,628 | 43,243 | 3,062 |
| 2 days ago | 2026-08-01 | 98.9 | 537.34 | 42,787 | 42,751 | 43,243 | 3,067 |
| 1 week ago | 2026-07-27 | 100.0 | 537.57 | 43,495 | 43,243 | 43,243 | 3,092 |
| 1 month ago | 2026-07-03 | 99.3 | 537.40 | 42,971 | 42,935 | 43,243 | 3,074 |
| 3 months ago | 2026-05-03 | 98.4 | 537.28 | 42,603 | 42,567 | 43,243 | 3,060 |
| 6 months ago | 2026-02-03 | 93.3 | 536.55 | 40,401 | 40,365 | 43,243 | 2,975 |
| 1 year ago | 2025-08-03 | 100.0 | 537.62 | 43,650 | 43,243 | 43,243 | 3,098 |
*
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 | 2026-08-03 15:30 | 537.25 | 537.50 | -0.25 |
| 1 hour prior | 2026-08-03 14:30 | 537.25 | 537.50 | -0.25 |
| 2 hours prior | 2026-08-03 13:30 | 537.25 | 537.50 | -0.25 |
| 6 hours prior | 2026-08-03 09:30 | 537.26 | 537.50 | -0.24 |
| 12 hours prior | 2026-08-03 03:30 | 537.27 | 537.50 | -0.23 |
| 24 hours prior | 2026-08-02 15:30 | 537.29 | 537.50 | -0.21 |
| 48 hours prior | 2026-08-01 15:30 | 537.34 | 537.50 | -0.16 |
*
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
