Deardorff, Betty Jane

LITTLE COAL CREEK· Clackamas, Oregon· Built 1971· Earth· 65 ft tall
Significant Hazard Other Private

Key Takeaway

Deardorff, Betty Jane is classified as significant hazard in Oregon. It was completed in 1971 and is 55 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 65 ft (taller than 89.2% in OR)
Dam Length450 ft
Dam TypeEarth
Max Storage1.3K acre-ft
Normal Storage1.0K acre-ft
Surface Area60 acres
Drainage Area1 sq mi
Max Discharge1,170 cfs
Year Completed1971 (55 years old)
NID IDOR00497

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: No
Last Inspection: May 16, 2018
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

DOUBLETREES FARMS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Deardorff, Betty Jane?

Deardorff, Betty Jane is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Deardorff, Betty Jane?

Deardorff, Betty Jane is owned by DOUBLETREES FARMS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Deardorff, Betty Jane built?

Deardorff, Betty Jane was completed in 1971, making it 55 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 Deardorff, Betty Jane?

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

How tall is Deardorff, Betty Jane?

Deardorff, Betty Jane has a dam height of 65 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 Deardorff, Betty Jane last inspected?

Deardorff, Betty Jane was last inspected on May 16, 2018. 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.