Lake Avalon Dam
Lake Avalon Dam is an earth dam located in Benton County, Arkansas, built in 1968. It carries a Significant hazard potential classification and has a fair condition assessment.
About Lake Avalon Dam
The primary purpose of Lake Avalon Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Bella Vista Village Property Owners Association (private). It impounds the Sturgeon Creek near Bella Vista Village.
The dam stands 72 feet tall and stretches 710 feet across, creates a reservoir covering 56 acres, has a maximum storage capacity of 2,000 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1968, the structure is well into its service life at over 50 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. An emergency action plan is in place for this dam. The most recent inspection on record was 01/23/2026.
At 72 feet, this dam is taller than 96% of all dams in the United States.
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Location
| State | Arkansas |
| County | Benton |
| Nearest City | Bella Vista Village |
| River/Stream | Sturgeon Creek |
| Coordinates | 36.47167, -94.26500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 72 ft |
| Dam Height | 61 ft |
| Dam Length | 710 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 2,000 acre-ft |
| Max Storage | 2,000 acre-ft |
| Normal Storage | 1,400 acre-ft |
| Surface Area | 56 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 7,460 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Bella Vista Village Property Owners Association |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 01/23/2026 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | AR00266 |
| Federal ID | AR00266 |
| More Info | State Dam Safety Program |