Amalgamated Sugar

OFF-CHANNEL STORAGE· Malheur, Oregon· Built 1984· Earth· 11 ft tall
Low Hazard Other Tailings Private

Key Takeaway

Amalgamated Sugar is classified as low hazard in Oregon. It was completed in 1984 and is 42 years old. Its primary use is other.

Physical Details

Dam Height 11 ft (taller than 5.4% in OR)
Dam Length1,372 ft
Dam TypeEarth
Max Storage56 acre-ft
Normal Storage117 acre-ft
Surface Area12 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1984 (42 years old)
NID IDOR00753

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: August 3, 2011
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

SNAKE RIVER SUGAR COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Amalgamated Sugar?

Amalgamated Sugar is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Amalgamated Sugar?

Amalgamated Sugar is owned by SNAKE RIVER SUGAR COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Amalgamated Sugar built?

Amalgamated Sugar was completed in 1984, making it 42 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Amalgamated Sugar?

Amalgamated Sugar serves the following purposes: Other, Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Amalgamated Sugar?

Amalgamated Sugar has a dam height of 11 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Amalgamated Sugar last inspected?

Amalgamated Sugar was last inspected on August 3, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.

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.