Little Ky River Frs 4 is an earth dam located in Henry County, Kentucky, built in 1963. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 42 ft42 ft tall and 500 ft long, taller than 88% 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 Little Ky River Frs 4
The primary purpose of Little Ky River Frs 4 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Henry County Conservation District (local government). It impounds the Little Kentucky River near Sulphur.
The dam stands 42 feet tall and stretches 500 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 610 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1963, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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. The most recent inspection on record was 09/04/2025.
At 42 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | Kentucky |
| County | Henry |
| Nearest City | Sulphur |
| River/Stream | Little Kentucky River |
| Coordinates | 38.43566, -85.23360 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 500 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 610 acre-ft |
| Max Storage | 610 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Henry County Conservation District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/04/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KY00063 |
| Federal ID | KY00063 |
| More Info | State Dam Safety Program |