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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Location
| State | Arkansas |
| County | Saline |
| River/Stream | Slate Branch |
| Coordinates | 34.62417, -92.87111 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 35 ft |
| Dam Length | 1,336 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 356 acre-ft |
| Max Storage | 356 acre-ft |
| Normal Storage | 152 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 6,149 cfs |
Ownership & Safety
| Owner | Hot Springs Village Property Owners Association |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 12/10/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR01535 |
| Federal ID | AR01535 |
| More Info | State Dam Safety Program |