Asamera Cannon Mine Tailings Dam

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyChelan
Nearest CityWenatchee
River/StreamDry Gulch
Coordinates47.38485, -120.34071

Physical Characteristics

Dam TypeEarth
NID Height340 ft
Dam Length1,150 ft
Year Completed1986 (40 years old)

Storage & Hydraulics

NID Storage950 acre-ft
Max Storage950 acre-ft
Normal Storage540 acre-ft
Surface Area2,500 acres
Drainage Area1 sq mi
Max Discharge1,370 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerConocoPhillips
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection10/19/2022
Emergency Action PlanYes

Identifiers

NID IDWA00499
Federal IDWA00499
More InfoState Dam Safety Program

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