John T. Myers Locks And Dam
John T. Myers Locks And Dam is a concrete dam located in Union County, Kentucky, built in 1975. It carries a Significant hazard potential classification.
About John T. Myers Locks And Dam
The primary purpose of John T. Myers Locks And Dam is navigation. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway. The dam is owned by Usace - Louisville District (federal). It impounds the Ohio River near Cave In Rock.
The dam stands 54 feet tall and stretches 3,725 feet across, creates a reservoir covering 19,350 acres, has a maximum storage capacity of 740,200 acre-feet, and collects water from a drainage area of 108,000 square miles. Completed in 1975, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 05/27/2022.
At 54 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Kentucky |
| County | Union |
| Nearest City | Cave In Rock |
| River/Stream | Ohio River |
| Coordinates | 37.79242, -87.99169 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 54 ft |
| Dam Length | 3,725 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 740,200 acre-ft |
| Max Storage | 740,200 acre-ft |
| Normal Storage | 543,862 acre-ft |
| Surface Area | 19,350 acres |
| Drainage Area | 108,000 sq mi |
| Max Discharge | 133,000 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Navigation |
| Owner | USACE - Louisville District |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 05/27/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | KY03060 |
| Federal ID | KY03060 |
| More Info | State Dam Safety Program |