Shoshone Falls Dam 4

Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateIdaho
CountyTwin Falls
Nearest CityNone
River/StreamSnake River
Coordinates42.59610, -114.39970

Physical Characteristics

Dam TypeGravity
NID Height18 ft
Dam Height18 ft
Dam Length380 ft
Year Completed1907 (119 years old)

Storage & Hydraulics

NID Storage1,500 acre-ft
Max Storage1,500 acre-ft
Normal Storage1,500 acre-ft
Surface Area86 acres
Drainage Area19,500 sq mi
Max Discharge12,000 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 IDID00050
Federal IDID83070S003
More InfoState Dam Safety Program

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