Fagan Branch Dam
Fagan Branch Dam is an earth dam located in Marion County, Kentucky, built in 1991. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Fagan Branch Dam
The primary purpose of Fagan Branch Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Lebanon Water Works (local government). It impounds the Fagan Branch Of Rolling Fork River near Calvary.
The dam stands 78 feet tall and stretches 1,700 feet across, creates a reservoir covering 125 acres, has a maximum storage capacity of 3,700 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1991, the structure is 35 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/07/2025.
At 78 feet, this dam is taller than 97% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Kentucky dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Kentucky |
| County | Marion |
| Nearest City | Calvary |
| River/Stream | Fagan Branch Of Rolling Fork River |
| Coordinates | 37.52028, -85.24000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 78 ft |
| Dam Height | 78 ft |
| Dam Length | 1,700 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 3,700 acre-ft |
| Max Storage | 3,700 acre-ft |
| Normal Storage | 2,888 acre-ft |
| Surface Area | 125 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | LEBANON WATER WORKS |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/07/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KY01086 |
| Federal ID | KY01086 |
| More Info | State Dam Safety Program |