Lake Athens: 96.4% full as of 2026-10-28
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 | 2026-10-28 | 96.4 | 439.41 | 28,471 | 28,430 | 29,503 | 1,739 |
| 1 day prior | 2026-10-27 | 96.4 | 439.42 | 28,489 | 28,448 | 29,503 | 1,740 |
| 2 days prior | 2026-10-26 | 96.5 | 439.43 | 28,507 | 28,466 | 29,503 | 1,741 |
| 1 week prior | 2026-10-21 | 96.8 | 439.48 | 28,596 | 28,555 | 29,503 | 1,747 |
| 1 month prior | 2026-09-28 | 91.6 | 438.60 | 27,058 | 27,017 | 29,503 | 1,652 |
| 3 months prior | 2026-07-28 | 98.5 | 439.76 | 29,103 | 29,062 | 29,503 | 1,777 |
| 6 months prior | 2026-04-28 | 100.0 | 440.23 | 29,973 | 29,503 | 29,503 | - n.a. - |
| 1 year prior | 2025-10-28 | 100.0 | 440.15 | 29,823 | 29,503 | 29,503 | - n.a. - |
*
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 | 2026-10-28 23:30 | 439.41 | 440.00 | -0.59 |
| 1 hour prior | 2026-10-28 22:30 | 439.42 | 440.00 | -0.58 |
| 2 hours prior | 2026-10-28 21:30 | 439.41 | 440.00 | -0.59 |
| 6 hours prior | 2026-10-28 17:30 | 439.42 | 440.00 | -0.58 |
| 12 hours prior | 2026-10-28 11:30 | 439.41 | 440.00 | -0.59 |
| 24 hours prior | 2026-10-27 23:30 | 439.42 | 440.00 | -0.58 |
| 48 hours prior | 2026-10-26 23:30 | 439.42 | 440.00 | -0.58 |
*
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
