Keyhole Dam

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateWyoming
CountyCrook
Nearest CityHULETT
River/StreamBELLE FOURCHE RIVER
Coordinates44.38250, -104.77840

Physical Characteristics

Dam TypeEarth
NID Height168 ft
Dam Height168 ft
Dam Length3,420 ft
Year Completed1952 (74 years old)

Storage & Hydraulics

NID Storage629,025 acre-ft
Max Storage629,025 acre-ft
Normal Storage334,215 acre-ft
Surface Area9,411 acres
Drainage Area1,949 sq mi
Max Discharge10,850 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerBUREAU OF RECLAMATION
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection08/27/2020
Emergency Action PlanYes

Identifiers

NID IDWY01380
Federal IDWY01380
More InfoState Dam Safety Program

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