Of the 7 Idaho lakes here with a published full pool, 1 is at or above full pool and 6 sit below it. One more has no full-pool figure and reads against its own record instead. The newest reading on this page is from September 24, 2026.
| Lake | Level now | Full pool | Against full pool | Reading |
|---|---|---|---|---|
| Coeur d'Alene Lake Avista (Post Falls Dam, FERC 2545) | 2127.14 ft | 2128.00 ft | 0.9 ft below full pool — typical for late September | September 23, 2026 |
| Lake Pend Oreille USACE Seattle District (Albeni Falls Dam) | 2061.60 ft | 2062.50 ft | 0.9 ft below full pool — unusually high for late September | September 24, 2026 |
| Lucky Peak Lake USACE Walla Walla District | 2952.17 ft | 3055.00 ft | 102.8 ft below full pool — this gauge's public record is too short for seasonal comparisons | September 24, 2026 |
| Payette Lake Idaho Dept. of Water Resources (lake regulation, McCall) | 4.62 ft | not published | Reading is on the high side for late September. | September 23, 2026 |
| Priest Lake Idaho Dept. of Water Resources (Outlet Dam) | 3.07 ft | 3.00 ft | 0.1 ft above full pool — typical for late September | September 23, 2026 |
| American Falls Reservoir Bureau of Reclamation | 4307.36 ft | 4354.50 ft | 47.1 ft below full pool — on the low side for late September | September 22, 2026 |
| Dworshak Reservoir USACE Walla Walla District | 1520.20 ft | 1600.00 ft | 79.8 ft below full pool — this gauge's public record is too short for seasonal comparisons | September 24, 2026 |
| Lake Cascade Bureau of Reclamation | 4815.62 ft | 4828.00 ft | 12.4 ft below full pool — typical for late September | September 22, 2026 |
“Full pool” means the conservation pool — what that is, and what it is not. Lakes with no published figure are read against their own seasonal record instead.
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Idaho lake levels, asked and answered
What are the lake levels in Idaho today?
Of the 7 Idaho lakes here with a published full pool, 1 is at or above full pool and 6 sit below it. One more has no full-pool figure and reads against its own record instead. The newest reading on this page is from September 24, 2026.
Which Idaho lake is furthest below full pool?
Lucky Peak Lake is the furthest down of the Idaho lakes on this page, at 102.8 ft below its full pool.
Where do these Idaho lake levels come from?
Each row is the gauge the agency that runs the lake publishes — the Corps of Engineers, the Bureau of Reclamation, the state water agency or the US Geological Survey, depending on the lake. Open a lake and its own page re-reads that gauge as the page loads, wherever the agency lets a browser do it.