Twin Lakes Dam A

Twin Lakes Dam A is an earth dam located in Pulaski County, Arkansas, built in 1950. It carries a High hazard potential classification.

About Twin Lakes Dam A

The primary purpose of Twin Lakes Dam A is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Twin Lakes 'a' Homeowner Association (private). It impounds the Rock Creek-tr near Little Rock.

The dam stands 20 feet tall and stretches 320 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 205 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1950, 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.

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 Arkansas 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 HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateArkansas
CountyPulaski
Nearest CityLittle Rock
River/StreamRock Creek-tr
Coordinates34.74167, -92.38000

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length320 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage205 acre-ft
Max Storage205 acre-ft
Normal Storage188 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Max Discharge19 cfs

Ownership & Safety

PurposeRecreation
OwnerTwin Lakes 'A' Homeowner Association
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDAR00106
Federal IDAR00106
More InfoState Dam Safety Program

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