Lewiston Lake level history
In the 362 days we have on record (Nov 4, 2025 to Nov 3, 2026), the highest level was 1,901.90 ft on Apr 23, 2026 and the lowest was 1,900.13 ft on Feb 16, 2026.
Lewiston Lake storage
The reservoir held 13,852 acre-ft of water at the last reading (Nov 3, 2026).