Aquilla Lake: 99.6% full as of 2026-07-30
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 | 2026-07-30 | 99.6 | 537.44 | 43,094 | 43,058 | 43,243 | 3,078 |
| Yesterday | 2026-07-29 | 99.8 | 537.47 | 43,186 | 43,150 | 43,243 | 3,081 |
| 2 days ago | 2026-07-28 | 100.0 | 537.51 | 43,310 | 43,243 | 43,243 | 3,085 |
| 1 week ago | 2026-07-23 | 100.0 | 538.15 | 45,308 | 43,243 | 43,243 | 3,162 |
| 1 month ago | 2026-06-30 | 99.9 | 537.49 | 43,248 | 43,212 | 43,243 | 3,083 |
| 3 months ago | 2026-04-30 | 96.7 | 537.03 | 41,842 | 41,806 | 43,243 | 3,030 |
| 6 months ago | 2026-01-30 | 93.1 | 536.52 | 40,311 | 40,275 | 43,243 | 2,972 |
| 1 year ago | 2025-07-30 | 100.0 | 537.76 | 44,085 | 43,243 | 43,243 | 3,114 |
*
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 | 2026-07-30 15:30 | 537.41 | 537.50 | -0.09 |
| 1 hour prior | 2026-07-30 14:30 | 537.41 | 537.50 | -0.09 |
| 2 hours prior | 2026-07-30 13:30 | 537.42 | 537.50 | -0.08 |
| 6 hours prior | 2026-07-30 09:30 | 537.43 | 537.50 | -0.07 |
| 12 hours prior | 2026-07-30 03:30 | 537.44 | 537.50 | -0.06 |
| 24 hours prior | 2026-07-29 15:30 | 537.46 | 537.50 | -0.04 |
| 48 hours prior | 2026-07-28 15:30 | 537.50 | 537.50 | 0.00 |
*
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
