Upper Douglas Structure Number 1 is an earth dam located in Hardin County, Kentucky, built in 1966. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 42 ft42 ft tall and 650 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 Upper Douglas Structure Number 1
The primary purpose of Upper Douglas Structure Number 1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Fort Knox (federal). It impounds the Douglas Branch near Salt River Past West Point.
The dam stands 42 feet tall and stretches 650 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 339 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1966, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 05/30/2023.
At 42 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | Kentucky |
| County | Hardin |
| Nearest City | Salt River Past West Point |
| River/Stream | Douglas Branch |
| Coordinates | 37.81631, -85.87366 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 650 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 339 acre-ft |
| Max Storage | 339 acre-ft |
| Normal Storage | 111 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Fort Knox |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/30/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | KY00732 |
| Federal ID | KY00732 |
| More Info | State Dam Safety Program |