E. V. Spence Reservoir: 9.2% full as of 2026-10-07
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 | 2026-10-07 | 9.2 | 1,841.98 | 47,824 | 47,824 | 517,272 | 3,206 |
| Yesterday | 2026-10-06 | 9.3 | 1,841.99 | 47,856 | 47,856 | 517,272 | 3,207 |
| 2 days ago | 2026-10-05 | 9.3 | 1,842.02 | 47,953 | 47,953 | 517,272 | 3,212 |
| 1 week ago | 2026-09-30 | 9.3 | 1,842.09 | 48,178 | 48,178 | 517,272 | 3,221 |
| 1 month ago | 2026-09-07 | 9.8 | 1,842.87 | 50,733 | 50,733 | 517,272 | 3,329 |
| 3 months ago | 2026-07-07 | 10.6 | 1,844.07 | 54,832 | 54,832 | 517,272 | 3,510 |
| 6 months ago | 2026-04-07 | 11.5 | 1,845.33 | 59,411 | 59,411 | 517,272 | 3,782 |
| 1 year ago | 2025-10-07 | 13.5 | 1,848.01 | 69,918 | 69,918 | 517,272 | 4,064 |
*
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 | 2026-10-07 04:00 | 1,841.98 | 1,898.00 | -56.02 |
| 1 hour prior | 2026-10-07 03:00 | 1,841.98 | 1,898.00 | -56.02 |
| 2 hours prior | 2026-10-07 02:00 | 1,841.98 | 1,898.00 | -56.02 |
| 6 hours prior | 2026-10-06 22:00 | 1,841.98 | 1,898.00 | -56.02 |
| 12 hours prior | 2026-10-06 16:00 | 1,842.00 | 1,898.00 | -56.00 |
| 24 hours prior | 2026-10-06 04:00 | 1,842.00 | 1,898.00 | -56.00 |
| 48 hours prior | 2026-10-05 04:00 | 1,842.02 | 1,898.00 | -55.98 |
*
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 |