E. V. Spence Reservoir: 9.3% full as of 2026-10-04
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 | 2026-10-04 | 9.3 | 1,842.03 | 47,985 | 47,985 | 517,272 | 3,213 |
| Yesterday | 2026-10-03 | 9.3 | 1,842.04 | 48,017 | 48,017 | 517,272 | 3,214 |
| 2 days ago | 2026-10-02 | 9.3 | 1,842.08 | 48,145 | 48,145 | 517,272 | 3,220 |
| 1 week ago | 2026-09-27 | 9.4 | 1,842.21 | 48,565 | 48,565 | 517,272 | 3,238 |
| 1 month ago | 2026-09-04 | 9.8 | 1,842.82 | 50,567 | 50,567 | 517,272 | 3,322 |
| 3 months ago | 2026-07-04 | 10.6 | 1,844.10 | 54,937 | 54,937 | 517,272 | 3,515 |
| 6 months ago | 2026-04-04 | 11.6 | 1,845.43 | 59,790 | 59,790 | 517,272 | 3,794 |
| 1 year ago | 2025-10-04 | 13.6 | 1,848.10 | 70,285 | 70,285 | 517,272 | 4,089 |
*
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 | 2026-10-04 14:00 | 1,842.03 | 1,898.00 | -55.97 |
| 1 hour prior | 2026-10-04 13:00 | 1,842.03 | 1,898.00 | -55.97 |
| 2 hours prior | 2026-10-04 12:00 | 1,842.03 | 1,898.00 | -55.97 |
| 6 hours prior | 2026-10-04 08:00 | 1,842.03 | 1,898.00 | -55.97 |
| 12 hours prior | 2026-10-04 02:00 | 1,842.03 | 1,898.00 | -55.97 |
| 24 hours prior | 2026-10-03 14:00 | 1,842.04 | 1,898.00 | -55.96 |
| 48 hours prior | 2026-10-02 14:00 | 1,842.07 | 1,898.00 | -55.93 |
*
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
