Diamond Lake Dam is an earth dam located in Mitchell County, North Carolina. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 18 ft18 ft tall and 400 ft long. 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 Diamond Lake Dam
The primary purpose of Diamond Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. It impounds the Penland Branch near Penland.
The dam stands 18 feet tall and stretches 400 feet across, creates a reservoir covering 5 acres, has a storage capacity of 45 acre-feet, and collects water from a drainage area of 0 square miles.
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 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 04/08/2009. That was over 17 years ago.
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Location
| State | North Carolina |
| County | Mitchell |
| Nearest City | Penland |
| River/Stream | Penland Branch |
| Coordinates | 35.92140, -82.11720 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Length | 400 ft |
Storage & Hydraulics
| NID Storage | 45 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner Type | Not Listed |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/08/2009 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NC03492 |
| Federal ID | NC03492 |
| More Info | State Dam Safety Program |