E. V. Spence Reservoir: 9.8% full as of 2026-09-03
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Most recent | 2026-09-03 | 9.8 | 1,842.85 | 50,667 | 50,667 | 517,272 | 3,326 |
| 1 day prior | 2026-09-02 | 9.8 | 1,842.88 | 50,767 | 50,767 | 517,272 | 3,330 |
| 2 days prior | 2026-09-01 | 9.8 | 1,842.92 | 50,900 | 50,900 | 517,272 | 3,336 |
| 1 week prior | 2026-08-27 | 10.0 | 1,843.14 | 51,637 | 51,637 | 517,272 | 3,365 |
| 1 month prior | 2026-08-03 | 10.6 | 1,844.13 | 55,043 | 55,043 | 517,272 | 3,520 |
| 3 months prior | 2026-06-03 | 11.3 | 1,845.08 | 58,470 | 58,470 | 517,272 | 3,739 |
| 6 months prior | 2026-03-03 | 12.0 | 1,846.02 | 62,048 | 62,048 | 517,272 | 3,860 |
| 1 year prior | 2025-09-03 | 14.2 | 1,848.84 | 73,410 | 73,410 | 517,272 | 4,312 |
*
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 | 2026-09-03 23:00 | 1,842.82 | 1,898.00 | -55.18 |
| 1 hour prior | 2026-09-03 22:00 | 1,842.82 | 1,898.00 | -55.18 |
| 2 hours prior | 2026-09-03 21:00 | 1,842.83 | 1,898.00 | -55.17 |
| 6 hours prior | 2026-09-03 17:00 | 1,842.85 | 1,898.00 | -55.15 |
| 12 hours prior | 2026-09-03 11:00 | 1,842.85 | 1,898.00 | -55.15 |
| 24 hours prior | 2026-09-02 23:00 | 1,842.86 | 1,898.00 | -55.14 |
| 48 hours prior | 2026-09-01 23:00 | 1,842.90 | 1,898.00 | -55.10 |
*
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
