Green Peter Dam
MIDDLE SANTIAM RIVER·
Linn, Oregon·
Built 1967·
Gravity·
320 ft tall
High Hazard
Flood Risk Reduction
Other
Irrigation
Navigation
Recreation
Hydroelectric
Federal Government
Physical Details
| Dam Height | 320 ft (taller than 99% in OR) |
| Dam Length | 1,517 ft |
| Dam Type | Gravity |
| Max Storage | 430.0K acre-ft |
| Normal Storage | 160.0K acre-ft |
| Surface Area | 3,720 acres |
| Drainage Area | 277 sq mi |
| Max Discharge | 110,000 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | OR00010 |
Safety Information
High Hazard
Loss of human life is likely if the dam fails
Emergency Action Plan: Yes
Last Inspection: May 21, 2020
State Regulated: No
Ownership
USACE - Portland District
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Green Peter Dam?
Green Peter Dam is classified as High Hazard. Loss of human life is likely if the dam fails.
Who owns Green Peter Dam?
Green Peter Dam is owned by USACE - Portland District (Federal Government).
When was Green Peter Dam last inspected?
Green Peter Dam was last inspected on May 21, 2020.
When was Green Peter Dam built?
Green Peter Dam was completed in 1967, making it 59 years old.
Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.