E. V. Spence Reservoir: 9.4% full as of 2026-09-28
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 | 2026-09-28 | 9.4 | 1,842.17 | 48,436 | 48,436 | 517,272 | 3,233 |
| Yesterday | 2026-09-27 | 9.4 | 1,842.20 | 48,533 | 48,533 | 517,272 | 3,237 |
| 2 days ago | 2026-09-26 | 9.4 | 1,842.23 | 48,630 | 48,630 | 517,272 | 3,241 |
| 1 week ago | 2026-09-21 | 9.5 | 1,842.38 | 49,118 | 49,118 | 517,272 | 3,263 |
| 1 month ago | 2026-08-28 | 10.0 | 1,843.10 | 51,502 | 51,502 | 517,272 | 3,360 |
| 3 months ago | 2026-06-28 | 10.8 | 1,844.30 | 55,644 | 55,644 | 517,272 | 3,549 |
| 6 months ago | 2026-03-28 | 11.6 | 1,845.53 | 60,170 | 60,170 | 517,272 | 3,806 |
| 1 year ago | 2025-09-28 | 13.7 | 1,848.27 | 70,986 | 70,986 | 517,272 | 4,166 |
*
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 | 2026-09-28 17:00 | 1,842.15 | 1,898.00 | -55.85 |
| 1 hour prior | 2026-09-28 16:00 | 1,842.16 | 1,898.00 | -55.84 |
| 2 hours prior | 2026-09-28 15:00 | 1,842.17 | 1,898.00 | -55.83 |
| 6 hours prior | 2026-09-28 11:00 | 1,842.17 | 1,898.00 | -55.83 |
| 12 hours prior | 2026-09-28 05:00 | 1,842.17 | 1,898.00 | -55.83 |
| 24 hours prior | 2026-09-27 17:00 | 1,842.20 | 1,898.00 | -55.80 |
| 48 hours prior | 2026-09-26 17:00 | 1,842.22 | 1,898.00 | -55.78 |
*
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
