Little Wood Reservoir Water Level Today
Idaho · near Pocatello · Well below full pool
- Elevation
- 5,183.68 ft
- From full pool
- −48.32 ft
- Percent of pool
- n/a
- 24-hour change
- −0.29 ft
- 7-day change
- −2.39 ft
- Reading
- Sep 21, 2026 · USACE
Last year at Little Wood Reservoir
Little Wood Reservoir is 48.32 ft below full pool, at 5,183.68 ft, down 0.29 ft in the last 24 hours. The top of the flood pool is 59.2 ft higher, at 5,242.90 ft.
Over the last 7 days the level fell 2.39 ft, and over 30 days it fell 14.48 ft. In the 396 days of readings on this page the high was 5,236.63 ft on Apr 16, 2026 and the low was 5,162.06 ft on Oct 1, 2025, a range of 74.57 ft.
The reading is the U.S. Army Corps of Engineers gauge at Little Wood Res near Carey, near Pocatello, 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.
Little Wood Reservoir pool elevations
| Current elevation | 5,183.68 ft |
|---|---|
| Full pool (top of conservation) | 5,232.00 ft |
| Top of flood pool | 5,242.90 ft |
| Top of dam | 5,249.00 ft |
| Inflow | 41 cfs |
| Outflow | 80 cfs |
| 30-day change | −14.48 ft |
| 1-year high | 5,236.63 ft (Apr 16, 2026) |
| 1-year low | 5,162.06 ft (Oct 1, 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
- Palisades Lake 5,520.85 ft, −98.15 ft from full
Little Wood Reservoir level questions
What is the water level of Little Wood Reservoir today?
Little Wood Reservoir is at 5,183.68 ft as of Sep 21, 2026, −48.32 ft relative to full pool (5,232.00 ft). The 24-hour change is −0.29 ft.
What is full pool at Little Wood Reservoir?
Full pool, the top of the conservation pool, is 5,232.00 ft (NGVD29). Above that, water is stored temporarily in the flood pool up to 5,242.90 ft.
Is Little Wood Reservoir rising or falling?
Over the last 24 hours the level is −0.29 ft; over 7 days it fell 2.39 ft, and over 30 days it fell 14.48 ft.
Where does this Little Wood Reservoir level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Little Wood Res near Carey. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.