Lake Graham: 65.4% full as of 2026-11-13
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 | 2026-11-13 | 65.4 | 1,067.91 | 29,635 | 29,621 | 45,288 | 1,915 |
| Yesterday | 2026-11-12 | 65.4 | 1,067.92 | 29,654 | 29,640 | 45,288 | 1,916 |
| 2 days ago | 2026-11-11 | 65.5 | 1,067.94 | 29,692 | 29,678 | 45,288 | 1,918 |
| 1 week ago | 2026-11-06 | 65.7 | 1,067.98 | 29,769 | 29,755 | 45,288 | 1,922 |
| 1 month ago | 2026-10-13 | 64.6 | 1,067.73 | 29,291 | 29,277 | 45,288 | 1,901 |
| 3 months ago | 2026-08-13 | 71.0 | 1,069.20 | 32,173 | 32,159 | 45,288 | 2,020 |
| 6 months ago | 2026-05-13 | 78.7 | 1,070.86 | 35,646 | 35,632 | 45,288 | 2,160 |
| 1 year ago | 2025-11-13 | 81.7 | 1,071.47 | 36,994 | 36,980 | 45,288 | 2,202 |
*
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 | 2026-11-13 18:00 | 1,067.91 | 1,075.00 | -7.09 |
| 1 hour prior | 2026-11-13 17:00 | 1,067.91 | 1,075.00 | -7.09 |
| 2 hours prior | 2026-11-13 16:00 | 1,067.90 | 1,075.00 | -7.10 |
| 6 hours prior | 2026-11-13 12:00 | 1,067.93 | 1,075.00 | -7.07 |
| 12 hours prior | 2026-11-13 06:00 | 1,067.92 | 1,075.00 | -7.08 |
| 24 hours prior | 2026-11-12 18:00 | 1,067.92 | 1,075.00 | -7.08 |
| 48 hours prior | 2026-11-11 18:00 | 1,067.93 | 1,075.00 | -7.07 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1958-01-01 |
| Vertical datum | NGVD29 +1.3 |
| Dead pool elevation | 1,030.00 ft above NGVD29 +1.3 |
| Service spillway crest elevation | 1,076.30 ft above NGVD29 |
| Top of dam elevation | 1,093.30 ft above NGVD29 |
| Conservation pool elevation | 1,075.00 ft above NGVD29 +1.3 |
| Data download (CSV) | period of record, last one year, last 30 days |
| Data Source | USGS:08088400 |
| USGS Monitoring Location | USGS:08088400 |
Lake Location
