Lagrange Reservoir Lower Dam is an earth dam located in Oldham County, Kentucky, built in 1955. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 430 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Lagrange Reservoir Lower Dam
The primary purpose of Lagrange Reservoir Lower Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by David Mcroberts (private). It impounds the Harrods Creek near Harrods Creek.
The dam stands 25 feet tall and stretches 430 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 129 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1955, 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 11/24/2025.
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Location
| State | Kentucky |
| County | Oldham |
| Nearest City | Harrods Creek |
| River/Stream | Harrods Creek |
| Coordinates | 38.42028, -85.37694 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 430 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 129 acre-ft |
| Max Storage | 129 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | David Mcroberts |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 11/24/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KY00009 |
| Federal ID | KY00009 |
| More Info | State Dam Safety Program |