Wallowa Lake

High HazardPoor ConditionEmergency Action Plan: Yes

Location

StateOregon
CountyWallowa
Nearest CityJoseph
River/StreamWallowa River
Coordinates45.33514, -117.22263

Physical Characteristics

Dam TypeConcrete
NID Height40 ft
Dam Height39 ft
Dam Length190 ft
Year Completed1931 (95 years old)

Storage & Hydraulics

NID Storage49,257 acre-ft
Max Storage49,257 acre-ft
Normal Storage49,257 acre-ft
Surface Area1,530 acres
Drainage Area53 sq mi
Max Discharge3,420 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerWallowa Lake Irrigation District
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection08/25/2020
Emergency Action PlanYes

Identifiers

NID IDOR00465
Federal IDOR00465
More InfoState Dam Safety Program

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