Upper Green River Frs No 1
Upper Green River Frs No 1 is an earth dam located in Lincoln County, Kentucky, built in 1959. It carries a Low hazard potential classification and has a fair condition assessment.
About Upper Green River Frs No 1
The primary purpose of Upper Green River Frs No 1 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 Lincoln County Soil Conservation District (local government). It impounds the Green River near Jumbo.
The dam stands 42 feet tall and stretches 300 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 109 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1959, 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 09/19/2024.
At 42 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Kentucky |
| County | Lincoln |
| Nearest City | Jumbo |
| River/Stream | Green River |
| Coordinates | 37.44227, -84.64846 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 300 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 109 acre-ft |
| Max Storage | 109 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | LINCOLN COUNTY SOIL CONSERVATION DISTRICT |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/19/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KY00337 |
| Federal ID | KY00337 |
| More Info | State Dam Safety Program |