Lake Athens: 96.5% 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) |
|
|---|---|---|---|---|---|---|---|
| Most recent | 2026-10-24 | 96.5 | 439.44 | 28,524 | 28,483 | 29,503 | 1,743 |
| 1 day prior | 2026-10-23 | 96.7 | 439.46 | 28,560 | 28,519 | 29,503 | 1,745 |
| 2 days prior | 2026-10-22 | 96.7 | 439.47 | 28,578 | 28,537 | 29,503 | 1,746 |
| 1 week prior | 2026-10-17 | 97.2 | 439.54 | 28,704 | 28,663 | 29,503 | 1,753 |
| 1 month prior | 2026-09-24 | 92.1 | 438.69 | 27,211 | 27,170 | 29,503 | 1,662 |
| 3 months prior | 2026-07-24 | 99.1 | 439.85 | 29,268 | 29,227 | 29,503 | 1,787 |
| 6 months prior | 2026-04-24 | 100.0 | 440.25 | 30,011 | 29,503 | 29,503 | - n.a. - |
| 1 year prior | 2025-10-24 | 98.9 | 439.82 | 29,213 | 29,172 | 29,503 | 1,784 |
*
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 23:30 | 439.44 | 440.00 | -0.56 |
| 1 hour prior | 2026-10-24 22:30 | 439.43 | 440.00 | -0.57 |
| 2 hours prior | 2026-10-24 21:30 | 439.44 | 440.00 | -0.56 |
| 6 hours prior | 2026-10-24 17:30 | 439.45 | 440.00 | -0.55 |
| 12 hours prior | 2026-10-24 11:30 | 439.45 | 440.00 | -0.55 |
| 24 hours prior | 2026-10-23 23:30 | 439.45 | 440.00 | -0.55 |
| 48 hours prior | 2026-10-22 23:30 | 439.46 | 440.00 | -0.54 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1963-01-01 |
| Vertical datum | NAVD88 |
| Dead pool elevation | 396.50 ft above NAVD88 |
| Service spillway crest elevation | 440.00 ft above NGVD29 |
| Emergency spillway crest elevation | 446.00 ft above NGVD29 |
| Top of dam elevation | 453.00 ft above NGVD29 |
| Conservation pool elevation | 440.00 ft above NAVD88 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1998-02-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08031290 |
| USGS Monitoring Location | USGS:08031290 |
Lake Location
