Lake Isabella Dam

Lake Isabella Dam is an earth dam located in Saline County, Arkansas, built in 1999. It carries a Significant hazard potential classification and has a fair condition assessment.

About Lake Isabella Dam

Lake Isabella Dam is a dam in Saline, Arkansas. The dam is owned by Hot Springs Village Property Owners Association (private). It impounds the Slate Branch.

The dam stands 38 feet tall and stretches 1,336 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 356 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1999, the structure is 27 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 12/10/2024.

At 38 feet, this dam is taller than 85% of dams nationwide.

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Significant HazardFair ConditionEmergency Action Plan: Not Required

Location

StateArkansas
CountySaline
River/StreamSlate Branch
Coordinates34.62417, -92.87111

Physical Characteristics

Dam TypeEarth
NID Height38 ft
Dam Height35 ft
Dam Length1,336 ft
Year Completed1999 (27 years old)

Storage & Hydraulics

NID Storage356 acre-ft
Max Storage356 acre-ft
Normal Storage152 acre-ft
Surface Area24 acres
Drainage Area1 sq mi
Max Discharge6,149 cfs

Ownership & Safety

OwnerHot Springs Village Property Owners Association
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection12/10/2024
Emergency Action PlanNot Required

Identifiers

NID IDAR01535
Federal IDAR01535
More InfoState Dam Safety Program

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