Little Wood River Dam
Dam in Blaine County, Idaho · Little Wood River Malad River · forms Little Wood River Reservoir
Height
129 ft
39 m (NID height)
Length
3,100 ft
945 m
Completed
1939
Little Wood River Reservoir today
5,181.77 ft
7 days ▲ 1.71 ft
Normal storage
30,000 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 2:00 AM MDT. Full level page →
Facts
- Purposes
- Irrigation
- Dam type
- Earth
- Structural height
- 129 ft
- Owner
- LITTLE WOOD RIVER IRRIGATION DISTRICT (Public Utility)
- Maximum storage
- 33,300 acre-ft
- Surface area
- 590 acres
- Hydraulic height
- 116 ft
- Drainage area
- 274 sq mi
- Spillway
- Uncontrolled, 250 ft wide
- Army Corps district
- Sacramento District
- Also known as
- Little Wood River Reservoir
- NID ID
- ID00041
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID ID00041 at nid.sec.usace.army.mil. Project website.