Marmet Locks And Dam
Marmet Locks And Dam is a concrete dam located in Kanawha County, West Virginia, built in 1934. It carries a Significant hazard potential classification.
About Marmet Locks And Dam
The primary purpose of Marmet 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 - Huntington District (federal). It impounds the Kanawha River near Rand.
The dam stands 101 feet tall and stretches 973 feet across, creates a reservoir covering 1,300 acres, has a maximum storage capacity of 30,600 acre-feet, and collects water from a drainage area of 8,816 square miles. Completed in 1934, the structure is well-established, with more than 75 years of service.
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 101 feet, this dam is taller than 98% of all dams in the United States.
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Location
| State | West Virginia |
| County | Kanawha |
| Nearest City | Rand |
| River/Stream | Kanawha River |
| Coordinates | 38.25335, -81.56754 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 101 ft |
| Dam Length | 973 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 30,600 acre-ft |
| Max Storage | 30,600 acre-ft |
| Normal Storage | 30,600 acre-ft |
| Surface Area | 1,300 acres |
| Drainage Area | 8,816 sq mi |
| Max Discharge | 13,200 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Navigation |
| Owner | USACE - Huntington District |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 05/27/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WV03908 |
| Federal ID | WV03908 |
| More Info | State Dam Safety Program |