Lake Levels USA tracks 20 lakes and reservoirs in Idaho using U.S. Bureau of Reclamation (RISE). Of the 20 with a current 7-day trend, 12 rose and 7 fell by more than 0.05 ft. Latest data: Oct 24, 2026. Elevations from different gauges use different datums, so compare each lake with its own history, not with other lakes.
All Idaho lakes
American Falls ReservoirReclamation4,315.74 ft+3.00 ftAnderson Ranch ReservoirReclamation4,150.32 ft−0.29 ftArrowrock ReservoirReclamation3,134.61 ft+3.69 ftBlack Canyon ReservoirReclamation2,487.94 ft−3.43 ftDeadwood ReservoirReclamation5,304.01 ft+0.43 ftHenrys LakeReclamation12.98 ft+0.11 ftIsland Park ReservoirReclamation6,283.16 ft+1.68 ftLake CascadeReclamation4,815.52 ft+0.06 ftLake LowellReclamation2,525.57 ft−0.08 ftLake WahaReclamation3,366.60 ft−0.02 ftLake WalcottReclamation4,237.73 ft+0.16 ftLittle Wood River ReservoirReclamation5,182.76 ft+2.25 ftLucky Peak LakeReclamation2,946.04 ft+0.80 ftMann Creek ReservoirReclamation2,825.97 ft+0.25 ftMann LakeReclamation1,788.12 ft−0.54 ftMilner LakeReclamation8.88 ft−0.57 ftPalisades ReservoirReclamation5,517.50 ft+2.21 ftPayette LakeReclamation1.35 ft−0.26 ftRirie ReservoirReclamation5,063.85 ft+0.63 ftSoldiers Meadow ReservoirReclamation4,495.57 ft−0.65 ft
Other states
AKME3WI12VT5NHWA34ID20MT18ND13MNILMI11NY26MA6OR52NV8WY19SD8IAIN11OH21PA28NJ8CTRICA41UT31CO37NE12MO6KY11WV4VA4MD5DE2AZ4NM15KS18ARTNNC17SC15DCOK6LA8MSAL1GA10HITX128FL8PR
Number = lakes with a gauge on this site. Grey = none yet.