Dworshak Dam

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateIdaho
CountyClearwater
Nearest CityAHSAHKA
River/StreamNORTH FORK CLEARWATER RIVER
Coordinates46.51554, -116.29639

Physical Characteristics

Dam TypeConcrete
NID Height717 ft
Dam Length3,287 ft
Year Completed1973 (53 years old)

Storage & Hydraulics

NID Storage3,560,000 acre-ft
Max Storage3,560,000 acre-ft
Normal Storage3,468,000 acre-ft
Surface Area17,090 acres
Drainage Area2,440 sq mi
Max Discharge221,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerUSACE - Walla Walla District
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection06/23/2022
Emergency Action PlanYes

Identifiers

NID IDID00287
Federal IDID00287
More InfoState Dam Safety Program

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