Tahkenitch Lake

TAHKENITCH CREEK· Douglas, Oregon· Built 1964· Gravity· 10 ft tall
Low Hazard Other Private

Key Takeaway

Tahkenitch Lake is classified as low hazard in Oregon. It was completed in 1964 and is 62 years old. Its primary use is other.

Physical Details

Dam Height 10 ft (taller than 0.6% in OR)
Dam Length130 ft
Dam TypeGravity
Max Storage16.6K acre-ft
Normal Storage16.6K acre-ft
Surface Area4,829 acres
Drainage Area34 sq mi
Max Discharge10,000 cfs
Year Completed1964 (62 years old)
NID IDOR00359

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: September 17, 2018
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

INDUSTRIAL HARBOR

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tahkenitch Lake?

Tahkenitch Lake 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 Tahkenitch Lake?

Tahkenitch Lake is owned by INDUSTRIAL HARBOR (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tahkenitch Lake built?

Tahkenitch Lake was completed in 1964, making it 62 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 Tahkenitch Lake?

Tahkenitch Lake 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 Tahkenitch Lake?

Tahkenitch Lake has a dam height of 10 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 Tahkenitch Lake last inspected?

Tahkenitch Lake was last inspected on September 17, 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.