Sienna Lake Dam

Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateArkansas
CountyPulaski
Nearest CityLITTLE ROCK
River/StreamMC HENRY CREEK-OS
Coordinates34.69500, -92.41833

Physical Characteristics

Dam TypeEarth
NID Height29 ft
Dam Height25 ft
Dam Length234 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage255 acre-ft
Max Storage255 acre-ft
Normal Storage220 acre-ft
Surface Area20 acres
Drainage Area0 sq mi
Max Discharge1,588 cfs

Ownership & Safety

PurposeRecreation
OwnerSienna Lake Property Owners Association
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection09/20/2021
Emergency Action PlanNot Required

Identifiers

NID IDAR00128
Federal IDAR00128
More InfoState Dam Safety Program

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