E. V. Spence Reservoir: 10.3% full as of 2026-08-15
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 | 2026-08-15 | 10.3 | 1,843.58 | 53,132 | 53,132 | 517,272 | 3,432 |
| Yesterday | 2026-08-14 | 10.3 | 1,843.62 | 53,269 | 53,269 | 517,272 | 3,438 |
| 2 days ago | 2026-08-13 | 10.3 | 1,843.67 | 53,441 | 53,441 | 517,272 | 3,446 |
| 1 week ago | 2026-08-08 | 10.5 | 1,843.92 | 54,308 | 54,308 | 517,272 | 3,485 |
| 1 month ago | 2026-07-15 | 10.4 | 1,843.81 | 53,925 | 53,925 | 517,272 | 3,468 |
| 3 months ago | 2026-05-15 | 11.2 | 1,844.95 | 57,990 | 57,990 | 517,272 | 3,676 |
| 6 months ago | 2026-02-15 | 12.1 | 1,846.20 | 62,744 | 62,744 | 517,272 | 3,878 |
| 1 year ago | 2025-08-15 | 14.6 | 1,849.31 | 75,451 | 75,451 | 517,272 | 4,373 |
*
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 | 2026-08-15 19:00 | 1,843.56 | 1,898.00 | -54.44 |
| 1 hour prior | 2026-08-15 18:00 | 1,843.57 | 1,898.00 | -54.43 |
| 2 hours prior | 2026-08-15 17:00 | 1,843.57 | 1,898.00 | -54.43 |
| 6 hours prior | 2026-08-15 13:00 | 1,843.58 | 1,898.00 | -54.42 |
| 12 hours prior | 2026-08-15 07:00 | 1,843.58 | 1,898.00 | -54.42 |
| 24 hours prior | 2026-08-14 19:00 | 1,843.60 | 1,898.00 | -54.40 |
| 48 hours prior | 2026-08-13 19:00 | 1,843.67 | 1,898.00 | -54.33 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1969-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 1,790.00 ft above NGVD29 |
| Service spillway crest elevation | 1,878.00 ft above NGVD29 |
| Emergency spillway crest elevation | 1,908.00 ft above NGVD29 |
| Top of dam elevation | 1,928.00 ft above NGVD29 |
| Conservation pool elevation | 1,898.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
| Data Source | USGS:08123950 |
| USGS Monitoring Location | USGS:08123950 |
Lake Location
