Cow Lake Dam

Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateWashington
CountyAdams
River/StreamCow Creek
Coordinates47.12854, -118.17554

Physical Characteristics

Dam TypeGravity
NID Height7 ft
Dam Length600 ft
Year Completed1935 (91 years old)

Storage & Hydraulics

NID Storage900 acre-ft
Max Storage900 acre-ft
Normal Storage500 acre-ft
Surface Area240 acres
Drainage Area315 sq mi
Max Discharge95 cfs

Ownership & Safety

PurposeIrrigation
OwnerJohnHarder
Owner TypePrivate
Hazard ClassificationLow
Emergency Action PlanNot Required

Identifiers

NID IDWA01267
Federal IDWA01267
More InfoState Dam Safety Program

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