Wrenn Road Wwtp (Aka Garner Ww) Lagoon #1 Dam
Key Takeaway
Wrenn Road Wwtp (Aka Garner Ww) Lagoon #1 Dam is classified as high hazard in North Carolina. It was completed in 1988 and is 38 years old. Its primary use is other. 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 | 3,142 ft |
| Dam Type | Earth |
| Max Storage | 394 acre-ft |
| Normal Storage | 344 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 25 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1988 (38 years old) |
| NID ID | NC04917 |
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
Nearby Dams
Wrenn Road Wwtp (Aka Garner Ww) Lagoon #2 Dam
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Low HazardLangdon Lake Dam #2
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Significant HazardLake Benson Dam
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High HazardMiry Branch Dam
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High HazardSon Lan Lee Shipwash Dam
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High HazardFrequently Asked Questions
What is the hazard classification of Wrenn Road Wwtp (Aka Garner Ww) Lagoon #1 Dam?
Wrenn Road Wwtp (Aka Garner Ww) Lagoon #1 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 Wrenn Road Wwtp (Aka Garner Ww) Lagoon #1 Dam?
Wrenn Road Wwtp (Aka Garner Ww) Lagoon #1 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.
When was Wrenn Road Wwtp (Aka Garner Ww) Lagoon #1 Dam built?
Wrenn Road Wwtp (Aka Garner Ww) Lagoon #1 Dam was completed in 1988, making it 38 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Wrenn Road Wwtp (Aka Garner Ww) Lagoon #1 Dam?
Wrenn Road Wwtp (Aka Garner Ww) Lagoon #1 Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Wrenn Road Wwtp (Aka Garner Ww) Lagoon #1 Dam last inspected?
Wrenn Road Wwtp (Aka Garner Ww) Lagoon #1 Dam was last inspected on February 1, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.