Cottonwood Springs Dam

South Dakota — Fall River County — COTTONWOOD SPRINGS CREEK

Location

StateSouth Dakota
CountyFall River
RiverCOTTONWOOD SPRINGS CREEK
Coordinates43.43798, -103.56585

Physical Characteristics

NID Height123 ft
Dam Height
Dam Length1,190 ft
NID Storage11,635 acre-ft
Max Storage11,635 acre-ft
Surface Area42 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentNot Available
EAP StatusYes
Last InspectionAugust 11, 2025
Inspection Frequency5

Dam Information

Year Completed1969
Primary PurposeFlood Risk Reduction
Dam TypeEarth
Owner TypeFederal
OwnerUSACE - Omaha District
Other NameCottonwood Springs Lake

Location Map

About This Dam Record

Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.

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