E. V. Spence Reservoir: 9.3% 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 | 9.3 | 1,842.07 | 48,113 | 48,113 | 517,272 | 3,218 |
| Yesterday | 2026-10-23 | 9.3 | 1,842.09 | 48,178 | 48,178 | 517,272 | 3,221 |
| 2 days ago | 2026-10-22 | 9.3 | 1,842.11 | 48,242 | 48,242 | 517,272 | 3,224 |
| 1 week ago | 2026-10-17 | 9.2 | 1,841.88 | 47,504 | 47,504 | 517,272 | 3,193 |
| 1 month ago | 2026-09-24 | 9.4 | 1,842.30 | 48,857 | 48,857 | 517,272 | 3,251 |
| 3 months ago | 2026-07-24 | 10.9 | 1,844.50 | 56,357 | 56,357 | 517,272 | 3,585 |
| 6 months ago | 2026-04-24 | 11.5 | 1,845.35 | 59,487 | 59,487 | 517,272 | 3,784 |
| 1 year ago | 2025-10-24 | 13.2 | 1,847.64 | 68,425 | 68,425 | 517,272 | 4,013 |
*
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 19:00 | 1,842.06 | 1,898.00 | -55.94 |
| 1 hour prior | 2026-10-24 18:00 | 1,842.05 | 1,898.00 | -55.95 |
| 2 hours prior | 2026-10-24 17:00 | 1,842.06 | 1,898.00 | -55.94 |
| 6 hours prior | 2026-10-24 13:00 | 1,842.07 | 1,898.00 | -55.93 |
| 12 hours prior | 2026-10-24 07:00 | 1,842.07 | 1,898.00 | -55.93 |
| 24 hours prior | 2026-10-23 19:00 | 1,842.08 | 1,898.00 | -55.92 |
| 48 hours prior | 2026-10-22 19:00 | 1,842.11 | 1,898.00 | -55.89 |
*
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
