Marimont Upper Dam
Marimont Upper Dam is an earth dam located in McDowell County, North Carolina. It carries a Significant hazard potential classification and has a poor condition assessment.
About Marimont Upper Dam
The primary purpose of Marimont Upper Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mcdowell County (local government). It impounds the Muddy Creek near Glenwood.
The dam stands 18 feet tall and stretches 256 feet across, creates a reservoir covering 2 acres, and has a maximum storage capacity of 14 acre-feet.
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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 03/21/2025.
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Location
| State | North Carolina |
| County | McDowell |
| Nearest City | Glenwood |
| River/Stream | Muddy Creek |
| Coordinates | 35.64660, -81.96640 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Length | 256 ft |
Storage & Hydraulics
| NID Storage | 14 acre-ft |
| Max Storage | 14 acre-ft |
| Normal Storage | 8 acre-ft |
| Surface Area | 2 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | McDowell County |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 03/21/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NC03385 |
| Federal ID | NC03385 |
| More Info | State Dam Safety Program |