Ice Harbor Lock And Dam

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyWalla Walla
Nearest CityPASCO
River/StreamSNAKE RIVER
Coordinates46.24876, -118.87950

Physical Characteristics

Dam TypeConcrete
NID Height208 ft
Dam Length2,790 ft
Year Completed1962 (64 years old)

Storage & Hydraulics

NID Storage406,500 acre-ft
Normal Storage406,500 acre-ft
Surface Area8,375 acres
Drainage Area103,200 sq mi
Max Discharge850,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeNavigation
OwnerUSACE - Walla Walla District
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection07/15/2024
Emergency Action PlanYes

Identifiers

NID IDWA00347
Federal IDWA00347
More InfoState Dam Safety Program

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