Lower Afton

Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyLincoln
Nearest CityAfton, WY
River/StreamSwift Creek, Salt River
Coordinates42.72540, -110.91110

Physical Characteristics

Dam TypeEarth
NID Height30 ft
Dam Height30 ft
Dam Length356 ft
Year Completed1942 (84 years old)

Storage & Hydraulics

NID Storage70 acre-ft
Max Storage70 acre-ft
Normal Storage70 acre-ft
Surface Area7 acres
Drainage Area27 sq mi
Max Discharge870 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
OwnerSwift Creek Power Company
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection07/24/2019
Emergency Action PlanNot Required

Identifiers

NID IDWY12080
Federal IDWY12080
More InfoState Dam Safety Program

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