Upper Salmon Falls B-plant Forebay

Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateIdaho
CountyTwin Falls
Nearest CityNone
River/StreamSnake River
Coordinates42.76660, -114.90730

Physical Characteristics

Dam TypeConcrete
NID Height73 ft
Dam Height70 ft
Dam Length318 ft
Year Completed1947 (79 years old)

Storage & Hydraulics

NID Storage90 acre-ft
Max Storage90 acre-ft
Normal Storage90 acre-ft
Surface Area5 acres
Drainage Area32,200 sq mi
Max Discharge6,500 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerIdaho Power Company
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection09/20/2017
Emergency Action PlanNot Required

Identifiers

NID IDID83073
Federal IDID83073
More InfoState Dam Safety Program

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