Is Grayson Lake full?
Grayson Lake is above its full pool level: at 642.71 ft it is 8.71 ft above full pool (634.00 ft). Over the last 7 days the level changed by −0.49 ft.
Grayson Lake level history
In the 365 days we have on record (Nov 3, 2025 to Nov 4, 2026), the highest level was 648.23 ft on May 28, 2026 and the lowest was 637.25 ft on Dec 28, 2025.
Grayson Lake storage
The reservoir held 20,875 acre-ft of water at the last reading (Nov 4, 2026, 4:15 AM EST).