Morrison Onan Farm Dam is an earth dam located in Washington County, Kentucky, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 424 ft long, taller than 55% 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 Morrison Onan Farm Dam
The primary purpose of Morrison Onan Farm Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Thomas Hamilton (private). It impounds the Mill Creek Offstream near Rineltown Area.
The dam stands 26 feet tall and stretches 424 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 56 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, 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. The most recent inspection on record was 12/15/2004. That was over 21 years ago.
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Location
| State | Kentucky |
| County | Washington |
| Nearest City | Rineltown Area |
| River/Stream | Mill Creek Offstream |
| Coordinates | 37.65306, -85.18222 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 424 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Thomas Hamilton |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/15/2004 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KY00517 |
| Federal ID | KY00517 |
| More Info | State Dam Safety Program |