Kotzebue Water Supply Dam

Kotzebue Water Supply Dam is an earth dam located in Northwest Arctic Borough, Alaska, built in 1970. It carries a Significant hazard potential classification and has a unsatisfactory condition assessment.

About Kotzebue Water Supply Dam

The primary purpose of Kotzebue Water Supply Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Kotzebue (local government).

The dam stands 16 feet tall and stretches 970 feet across, and has a maximum storage capacity of 412 acre-feet. Completed in 1970, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 11/06/2019.

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Significant HazardUnsatisfactory ConditionEmergency Action Plan: No

Location

StateAlaska
CountyNorthwest Arctic Borough
Nearest CityKotzebue
Coordinates66.88834, -162.53830

Physical Characteristics

Dam TypeEarth
NID Height16 ft
Dam Height16 ft
Dam Length970 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage412 acre-ft
Max Storage412 acre-ft
Normal Storage370 acre-ft

Ownership & Safety

PurposeWater Supply
OwnerCITY OF KOTZEBUE
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentUnsatisfactory
Last Inspection11/06/2019
Emergency Action PlanNo

Identifiers

NID IDAK00064
Federal IDAK00064
More InfoState Dam Safety Program