Red Dog Tailings Back Dam

Red Dog Tailings Back Dam is an earth dam located in Northwest Arctic Borough, Alaska, built in 2010. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Red Dog Tailings Back Dam

Red Dog Tailings Back Dam is a dam in Northwest Arctic Borough, Alaska. The dam is owned by Teck Alaska Inc. (private). It impounds the Bons Creek near Kivalina.

The dam stands 66 feet tall and stretches 4,950 feet across, creates a reservoir covering 678 acres, has a maximum storage capacity of 24,757 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 2010, the structure is relatively new.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 08/02/2020.

At 66 feet, this dam is taller than 96% of all dams in the United States.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Alaska dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateAlaska
CountyNorthwest Arctic Borough
Nearest CityKivalina
River/StreamBons Creek
Coordinates68.04630, -162.87520

Physical Characteristics

Dam TypeEarth
NID Height66 ft
Dam Height66 ft
Dam Length4,950 ft
Year Completed2010 (16 years old)

Storage & Hydraulics

NID Storage24,757 acre-ft
Max Storage24,757 acre-ft
Surface Area678 acres
Drainage Area3 sq mi
Spillway TypeNone

Ownership & Safety

PurposeOther
OwnerTECK ALASKA INC.
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection08/02/2020
Emergency Action PlanYes

Identifiers

NID IDAK00303
Federal IDAK00303
More InfoState Dam Safety Program

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