Aquilla Lake: 95.0% full as of 2026-08-13
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 | 2026-08-13 | 95.0 | 536.79 | 41,118 | 41,082 | 43,243 | 3,002 |
| Yesterday | 2026-08-12 | 95.2 | 536.82 | 41,208 | 41,172 | 43,243 | 3,006 |
| 2 days ago | 2026-08-11 | 95.6 | 536.87 | 41,358 | 41,322 | 43,243 | 3,012 |
| 1 week ago | 2026-08-06 | 97.2 | 537.11 | 42,084 | 42,048 | 43,243 | 3,039 |
| 1 month ago | 2026-07-13 | 100.0 | 537.61 | 43,619 | 43,243 | 43,243 | 3,097 |
| 3 months ago | 2026-05-13 | 97.9 | 537.21 | 42,389 | 42,353 | 43,243 | 3,052 |
| 6 months ago | 2026-02-13 | 93.1 | 536.52 | 40,311 | 40,275 | 43,243 | 2,972 |
| 1 year ago | 2025-08-13 | 99.5 | 537.43 | 43,063 | 43,027 | 43,243 | 3,077 |
*
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 | 2026-08-13 06:30 | 536.78 | 537.50 | -0.72 |
| 1 hour prior | 2026-08-13 05:30 | 536.79 | 537.50 | -0.71 |
| 2 hours prior | 2026-08-13 04:30 | 536.79 | 537.50 | -0.71 |
| 6 hours prior | 2026-08-13 00:30 | 536.79 | 537.50 | -0.71 |
| 12 hours prior | 2026-08-12 18:30 | 536.80 | 537.50 | -0.70 |
| 24 hours prior | 2026-08-12 06:30 | 536.84 | 537.50 | -0.66 |
| 48 hours prior | 2026-08-11 06:30 | 536.89 | 537.50 | -0.61 |
*
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
