Akutan Hydro Dam

Aleutians East Borough, Alaska· Built 1993· Earth· 21 ft tall
Significant Hazard Hydroelectric Local Government

Key Takeaway

Akutan Hydro Dam is classified as significant hazard in Alaska. It was completed in 1993 and is 33 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 21 ft (taller than 37.6% in AK)
Dam Length200 ft
Dam TypeEarth
Max Storage20 acre-ft
Normal Storage0 acre-ft
Surface Area1 acres
Year Completed1993 (33 years old)
NID IDAK00264

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: Yes
Last Inspection: June 20, 2018
State Regulated: Yes
Regulatory Agency: AKDNR

Ownership

CITY OF AKUTAN

Local Government

Frequently Asked Questions

What is the hazard classification of Akutan Hydro Dam?

Akutan Hydro Dam 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 Akutan Hydro Dam?

Akutan Hydro Dam is owned by CITY OF AKUTAN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Akutan Hydro Dam built?

Akutan Hydro Dam was completed in 1993, making it 33 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 Akutan Hydro Dam?

Akutan Hydro Dam serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Akutan Hydro Dam?

Akutan Hydro Dam has a dam height of 21 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 Akutan Hydro Dam last inspected?

Akutan Hydro Dam was last inspected on June 20, 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.