Lake level
American Falls Reservoir, ID
4,309.56
ft
water level
+1.94 ft in 7 days
Last 30 days
4,307.06 to 4,311.45 ft
Aug 31, 2026
Sep 30, 2026
As of
Sep 30, 2026
ยท U.S. Bureau of Reclamation
MyWaterLevel