Aquilla Lake: 80.8% full as of 2026-10-24
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 | 2026-10-24 | 80.8 | 534.63 | 34,991 | 34,955 | 43,243 | 2,666 |
| Yesterday | 2026-10-23 | 81.1 | 534.67 | 35,098 | 35,062 | 43,243 | 2,672 |
| 2 days ago | 2026-10-22 | 81.3 | 534.71 | 35,205 | 35,169 | 43,243 | 2,677 |
| 1 week ago | 2026-10-17 | 82.3 | 534.87 | 35,635 | 35,599 | 43,243 | 2,700 |
| 1 month ago | 2026-09-24 | 83.6 | 535.07 | 36,178 | 36,142 | 43,243 | 2,730 |
| 3 months ago | 2026-07-24 | 100.0 | 537.98 | 44,773 | 43,243 | 43,243 | 3,141 |
| 6 months ago | 2026-04-24 | 94.5 | 536.72 | 40,908 | 40,872 | 43,243 | 2,994 |
| 1 year ago | 2025-10-24 | 88.7 | 535.87 | 38,413 | 38,377 | 43,243 | 2,867 |
*
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 | 2026-10-24 18:30 | 534.62 | 537.50 | -2.88 |
| 1 hour prior | 2026-10-24 17:30 | 534.62 | 537.50 | -2.88 |
| 2 hours prior | 2026-10-24 16:30 | 534.62 | 537.50 | -2.88 |
| 6 hours prior | 2026-10-24 12:30 | 534.62 | 537.50 | -2.88 |
| 12 hours prior | 2026-10-24 06:30 | 534.64 | 537.50 | -2.86 |
| 24 hours prior | 2026-10-23 18:30 | 534.64 | 537.50 | -2.86 |
| 48 hours prior | 2026-10-22 18:30 | 534.70 | 537.50 | -2.80 |
*
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 |