Afton Reservoir Dam

Significant HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyUnion
Nearest CityWESTERVILLE
River/StreamTR-TWELVE MILE CREEK
Coordinates41.03460, -94.21120

Physical Characteristics

Dam TypeEarth
NID Height51 ft
Dam Height51 ft
Dam Length800 ft
Year Completed1936 (90 years old)

Storage & Hydraulics

NID Storage470 acre-ft
Max Storage470 acre-ft
Normal Storage300 acre-ft
Surface Area15 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCity of Afton
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection07/27/2021
Emergency Action PlanNot Required

Identifiers

NID IDIA01378
Federal IDIA01378
More InfoState Dam Safety Program

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