Lake Graham: 65.7% full as of 2026-11-01
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 | 2026-11-01 | 65.7 | 1,067.99 | 29,788 | 29,774 | 45,288 | 1,923 |
| 1 day prior | 2026-10-31 | 65.8 | 1,068.01 | 29,827 | 29,813 | 45,288 | 1,924 |
| 2 days prior | 2026-10-30 | 65.8 | 1,068.01 | 29,827 | 29,813 | 45,288 | 1,924 |
| 1 week prior | 2026-10-25 | 66.2 | 1,068.09 | 29,981 | 29,967 | 45,288 | 1,931 |
| 1 month prior | 2026-10-01 | 65.4 | 1,067.92 | 29,654 | 29,640 | 45,288 | 1,916 |
| 3 months prior | 2026-08-01 | 73.1 | 1,069.66 | 33,111 | 33,097 | 45,288 | 2,057 |
| 6 months prior | 2026-05-01 | 79.0 | 1,070.93 | 35,798 | 35,784 | 45,288 | 2,165 |
| 1 year prior | 2025-11-01 | 82.7 | 1,071.68 | 37,464 | 37,450 | 45,288 | 2,216 |
*
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 | 2026-11-02 03:00 | 1,067.97 | 1,075.00 | -7.03 |
| 1 hour prior | 2026-11-02 02:00 | 1,067.97 | 1,075.00 | -7.03 |
| 2 hours prior | 2026-11-02 01:00 | 1,067.97 | 1,075.00 | -7.03 |
| 6 hours prior | 2026-11-01 21:00 | 1,067.98 | 1,075.00 | -7.02 |
| 12 hours prior | 2026-11-01 15:00 | 1,067.98 | 1,075.00 | -7.02 |
| 24 hours prior | 2026-11-01 03:00 | 1,068.00 | 1,075.00 | -7.00 |
| 48 hours prior | 2026-10-31 03:00 | 1,068.00 | 1,075.00 | -7.00 |
*
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
