Palisades Lake Water Level Today
Idaho · near Idaho Falls · Well below full pool
- Elevation
- 5,520.85 ft
- From full pool
- −98.15 ft
- Percent of pool
- 19.0%
- 24-hour change
- +0.04 ft
- 7-day change
- +0.67 ft
- Reading
- Sep 21, 2026 · USACE
Last year at Palisades Lake
Palisades Lake is 98.15 ft below full pool, at 5,520.85 ft, up 0.04 ft in the last 24 hours. That puts the lake at 19.0 percent of its conservation pool. The top of the flood pool is 100.1 ft higher, at 5,621.00 ft.
Over the last 7 days the level rose 0.67 ft, and over 30 days it fell 3.59 ft. In the 396 days of readings on this page the high was 5,587.17 ft on Apr 9, 2026 and the low was 5,510.48 ft on Oct 11, 2025, a range of 76.69 ft.
The reading is the U.S. Army Corps of Engineers gauge at Palisades Dam near Irwin, near Idaho Falls, taken Sep 21, 2026 and referenced to the NGVD29 datum. This page is rebuilt once a day from the agency feed; it is not a live gauge, so during a fast rise or a scheduled release check the USACE page for hourly values.
Palisades Lake pool elevations
| Current elevation | 5,520.85 ft |
|---|---|
| Full pool (top of conservation) | 5,619.00 ft |
| Top of flood pool | 5,621.00 ft |
| Bottom of conservation pool | 5,497.90 ft |
| Top of dam | 5,630.00 ft |
| Inflow | 4,770 cfs |
| Outflow | 4,632 cfs |
| 30-day change | −3.59 ft |
| 1-year high | 5,587.17 ft (Apr 9, 2026) |
| 1-year low | 5,510.48 ft (Oct 11, 2025) |
| Vertical datum | NGVD29 |
| Operating agency | U.S. Army Corps of Engineers, NWW district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
More lakes in Idaho
- Lucky Peak Lake 2,960.65 ft, −94.35 ft from full
- Dworshak Reservoir 1,520.63 ft, −79.37 ft from full
- Anderson Ranch Lake 4,152.42 ft, −41.58 ft from full
- Arrowrock Lake 3,129.91 ft, −85.84 ft from full
- Lake Pend Oreille 2,062.30 ft, −0.20 ft from full
- Little Wood Reservoir 5,183.68 ft, −48.32 ft from full
Palisades Lake level questions
What is the water level of Palisades Lake today?
Palisades Lake is at 5,520.85 ft as of Sep 21, 2026, −98.15 ft relative to full pool (5,619.00 ft). The 24-hour change is +0.04 ft.
What is full pool at Palisades Lake?
Full pool, the top of the conservation pool, is 5,619.00 ft (NGVD29). Above that, water is stored temporarily in the flood pool up to 5,621.00 ft. The bottom of the conservation pool is 5,497.90 ft.
Is Palisades Lake rising or falling?
Over the last 24 hours the level is +0.04 ft; over 7 days it rose 0.67 ft, and over 30 days it fell 3.59 ft.
Where does this Palisades Lake level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Palisades Dam near Irwin. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.