North Dam

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyGrant
Nearest CitySOAP LAKE
River/StreamUPPER GRAND COULEE RIVER
Coordinates47.94030, -119.01770

Physical Characteristics

Dam TypeEarth
NID Height145 ft
Dam Height145 ft
Dam Length1,450 ft
Year Completed1951 (75 years old)

Storage & Hydraulics

NID Storage1,275,000 acre-ft
Max Storage1,275,000 acre-ft
Normal Storage1,275,000 acre-ft
Surface Area27,000 acres
Drainage Area263 sq mi
Spillway TypeNone

Ownership & Safety

PurposeFlood Risk Reduction
OwnerBUREAU OF RECLAMATION
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection09/23/2021
Emergency Action PlanYes

Identifiers

NID IDWA00266
Federal IDWA00266
More InfoState Dam Safety Program

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