Adak Log Dam

Aleutians West Census Area, Alaska· Built 1970· Other·
Low Hazard Water Supply Local Government

Key Takeaway

Adak Log Dam is classified as low hazard in Alaska. It was completed in 1970 and is 56 years old. Its primary use is water supply.

Physical Details

Dam Length60 ft
Dam TypeOther
Max Storage118 acre-ft
Normal Storage74 acre-ft
Max Discharge300 cfs
Year Completed1970 (56 years old)
NID IDAK00110

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 30, 1980
State Regulated: Yes
Regulatory Agency: AKDNR

Ownership

CITY OF ADAK

Local Government

Nearby Dams

North Lake West Dam

Aleutians West Census Area, AK

Significant Hazard

North Lake East Dam

Aleutians West Census Area, AK

Significant Hazard

Lake Leone Dam

Aleutians West Census Area, AK

Significant Hazard

Lake Demarie Dam

Aleutians West Census Area, AK

Significant Hazard

Bonnie Rose Lake Dam

Aleutians West Census Area, AK

Significant Hazard 10 ft

Frequently Asked Questions

What is the hazard classification of Adak Log Dam?

Adak Log Dam 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 Adak Log Dam?

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

When was Adak Log Dam built?

Adak Log Dam was completed in 1970, making it 56 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 Adak Log Dam?

Adak Log Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Adak Log Dam last inspected?

Adak Log Dam was last inspected on September 30, 1980. 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.