Long Run Park Lake Dam
Long Run Park Lake Dam is an earth dam located in Jefferson County, Kentucky, built in 1968. It carries a Significant hazard potential classification and has a poor condition assessment.
About Long Run Park Lake Dam
The primary purpose of Long Run Park Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Louisville Metro Parks (local government). It impounds the Floyds Fork near Boston.
The dam stands 43 feet tall and stretches 1,050 feet across, creates a reservoir covering 27 acres, has a maximum storage capacity of 475 acre-feet, and collects water from a drainage area of 0 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/15/2024.
At 43 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Kentucky |
| County | Jefferson |
| Nearest City | Boston |
| River/Stream | Floyds Fork |
| Coordinates | 38.26500, -85.41583 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 43 ft |
| Dam Height | 43 ft |
| Dam Length | 1,050 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 475 acre-ft |
| Max Storage | 475 acre-ft |
| Normal Storage | 352 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | LOUISVILLE METRO PARKS |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 08/15/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KY00301 |
| Federal ID | KY00301 |
| More Info | State Dam Safety Program |