Marydale Dam
Marydale Dam is an earth dam located in Boone County, Kentucky, built in 1956. It carries a Significant hazard potential classification and has a poor condition assessment.
About Marydale Dam
The primary purpose of Marydale Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Vinings Trace, Llc (private). It impounds the Dry Creek near Marydale-area.
The dam stands 32 feet tall and stretches 300 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 240 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1956, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/27/2025.
At 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Kentucky |
| County | Boone |
| Nearest City | Marydale-area |
| River/Stream | Dry Creek |
| Coordinates | 39.02833, -84.62222 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 300 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 240 acre-ft |
| Max Storage | 240 acre-ft |
| Normal Storage | 92 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | VININGS TRACE, LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 08/27/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KY00647 |
| Federal ID | KY00647 |
| More Info | State Dam Safety Program |