E. V. Spence Reservoir: 9.7% full as of 2026-09-13
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 | 2026-09-13 | 9.7 | 1,842.66 | 50,037 | 50,037 | 517,272 | 3,302 |
| Yesterday | 2026-09-12 | 9.7 | 1,842.70 | 50,169 | 50,169 | 517,272 | 3,307 |
| 2 days ago | 2026-09-11 | 9.7 | 1,842.74 | 50,301 | 50,301 | 517,272 | 3,312 |
| 1 week ago | 2026-09-06 | 9.8 | 1,842.89 | 50,800 | 50,800 | 517,272 | 3,332 |
| 1 month ago | 2026-08-13 | 10.3 | 1,843.67 | 53,441 | 53,441 | 517,272 | 3,446 |
| 3 months ago | 2026-06-13 | 11.2 | 1,844.89 | 57,769 | 57,769 | 517,272 | 3,659 |
| 6 months ago | 2026-03-13 | 11.9 | 1,845.93 | 61,701 | 61,701 | 517,272 | 3,850 |
| 1 year ago | 2025-09-13 | 14.0 | 1,848.56 | 72,209 | 72,209 | 517,272 | 4,260 |
*
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 | 2026-09-13 19:00 | 1,842.63 | 1,898.00 | -55.37 |
| 1 hour prior | 2026-09-13 18:00 | 1,842.64 | 1,898.00 | -55.36 |
| 2 hours prior | 2026-09-13 17:00 | 1,842.65 | 1,898.00 | -55.35 |
| 6 hours prior | 2026-09-13 13:00 | 1,842.66 | 1,898.00 | -55.34 |
| 12 hours prior | 2026-09-13 07:00 | 1,842.66 | 1,898.00 | -55.34 |
| 24 hours prior | 2026-09-12 19:00 | 1,842.69 | 1,898.00 | -55.31 |
| 48 hours prior | 2026-09-11 19:00 | 1,842.73 | 1,898.00 | -55.27 |
*
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
