Aquilla Lake: 83.8% full as of 2026-10-07
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 | 2026-10-07 | 83.8 | 535.10 | 36,260 | 36,224 | 43,243 | 2,734 |
| Yesterday | 2026-10-06 | 83.8 | 535.11 | 36,287 | 36,251 | 43,243 | 2,736 |
| 2 days ago | 2026-10-05 | 83.8 | 535.10 | 36,260 | 36,224 | 43,243 | 2,734 |
| 1 week ago | 2026-09-30 | 82.1 | 534.84 | 35,554 | 35,518 | 43,243 | 2,696 |
| 1 month ago | 2026-09-07 | 87.7 | 535.71 | 37,956 | 37,920 | 43,243 | 2,835 |
| 3 months ago | 2026-07-07 | 98.4 | 537.28 | 42,603 | 42,567 | 43,243 | 3,060 |
| 6 months ago | 2026-04-07 | 93.8 | 536.62 | 40,609 | 40,573 | 43,243 | 2,983 |
| 1 year ago | 2025-10-07 | 91.8 | 536.32 | 39,720 | 39,684 | 43,243 | 2,941 |
*
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 | 2026-10-07 03:30 | 535.10 | 537.50 | -2.40 |
| 1 hour prior | 2026-10-07 02:30 | 535.10 | 537.50 | -2.40 |
| 2 hours prior | 2026-10-07 01:30 | 535.10 | 537.50 | -2.40 |
| 6 hours prior | 2026-10-06 21:30 | 535.10 | 537.50 | -2.40 |
| 12 hours prior | 2026-10-06 15:30 | 535.10 | 537.50 | -2.40 |
| 24 hours prior | 2026-10-06 03:30 | 535.11 | 537.50 | -2.39 |
| 48 hours prior | 2026-10-05 03:30 | 535.11 | 537.50 | -2.39 |
*
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 |