Milner Dam
Dam in Twin Falls County, Idaho · Snake River · forms Milner Lake
Height
80 ft
24 m (NID height)
Length
404 ft
123 m
Completed
1905
Milner Lake today
8.25 ft
7 days ▼ 1.45 ft
Normal storage
39,000 acre-ft
Reservoir level measured Oct 21, 2026, 12:00 AM MDT. Full level page →
Facts
- Purposes
- Irrigation; Recreation; Hydroelectric
- Dam type
- Rockfill
- Structural height
- 80 ft
- Owner
- Private
- Maximum storage
- 39,000 acre-ft
- Surface area
- 4,000 acres
- Hydraulic height
- 76 ft
- Drainage area
- 17,180 sq mi
- Spillway
- Controlled, 667 ft wide
- Army Corps district
- Sacramento District
- NID ID
- ID00223
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID ID00223 at nid.sec.usace.army.mil. Project website.
Other dams at Milner Lake
- Milner S Embankment