Detroit Dam
Dam in Linn County, Oregon · North Santiam River · forms Detroit Lake
Height
463 ft
141 m (NID height)
Length
1,580 ft
482 m
Completed
1953
Detroit Lake today
1,487.95 ft
7 days ▼ 4.84 ft
vs full pool
▼ 75.55 ft
Normal storage
155,000 acre-ft
Below normal for the date
Reservoir level measured Oct 23, 2026, 8:45 AM PDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Other; Irrigation; Navigation; Recreation; Hydroelectric
- Dam type
- Gravity
- Structural height
- 463 ft
- Owner
- USACE - Portland District (Federal)
- Maximum storage
- 455,000 acre-ft
- Surface area
- 3,490 acres
- Hydraulic height
- 364 ft
- Drainage area
- 438 sq mi
- Spillway
- Controlled, 295 ft wide
- Army Corps district
- Portland District
- Also known as
- Detroit Lake
- NID ID
- OR00004
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 5, 2026. Search NID ID OR00004 at nid.sec.usace.army.mil. Project website.