E.M. Johnson Water Plant B Dam
Key Takeaway
E.M. Johnson Water Plant B Dam is classified as high hazard in North Carolina. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Length | 3,000 ft |
| Dam Type | Earth |
| Max Storage | 383 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 13 sq mi |
| NID ID | NC05078 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City of Raleigh Public Utilities Department
Local Government
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Low HazardFrequently Asked Questions
What is the hazard classification of E.M. Johnson Water Plant B Dam?
E.M. Johnson Water Plant B Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates E.M. Johnson Water Plant B Dam?
E.M. Johnson Water Plant B Dam is owned by City of Raleigh Public Utilities Department (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of E.M. Johnson Water Plant B Dam?
E.M. Johnson Water Plant B Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was E.M. Johnson Water Plant B Dam last inspected?
E.M. Johnson Water Plant B Dam was last inspected on March 22, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.