Kyle

Kyle is an earth dam located in Oglala Lakota County, South Dakota, built in 1935. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Kyle

The primary purpose of Kyle is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Bia (federal). It impounds the Medicine Root Creek.

The dam stands 37 feet tall and stretches 1,130 feet across, creates a reservoir covering 68 acres, has a maximum storage capacity of 1,865 acre-feet, and collects water from a drainage area of 107 square miles. Completed in 1935, the structure is well-established, with more than 75 years of service.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 10/26/2023.

At 37 feet, this dam is taller than 84% of dams nationwide.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The South Dakota dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateSouth Dakota
CountyOglala Lakota
Nearest CityNone
River/StreamMedicine Root Creek
Coordinates43.43329, -102.17790

Physical Characteristics

Dam TypeEarth
NID Height37 ft
Dam Height37 ft
Dam Length1,130 ft
Year Completed1935 (91 years old)

Storage & Hydraulics

NID Storage1,865 acre-ft
Max Storage1,865 acre-ft
Normal Storage379 acre-ft
Surface Area68 acres
Drainage Area107 sq mi
Max Discharge21,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerBIA
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection10/26/2023
Emergency Action PlanYes

Identifiers

NID IDSD00964
Federal IDSD00964
More InfoState Dam Safety Program

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