Coulbourn Mill Dam (South Division Street)
Key Takeaway
Coulbourn Mill Dam (South Division Street) is classified as high hazard in Maryland. It was completed in 1947 and is 79 years old. Its primary use is recreation. 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 Height | 12 ft (taller than 10.3% in MD) |
| Dam Length | 342 ft |
| Dam Type | Earth |
| Max Storage | 70 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 638 cfs |
| Year Completed | 1947 (79 years old) |
| NID ID | MD00198 |
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
Wicomico County Government-Mark Whitelock
Local Government
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Low Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Coulbourn Mill Dam (South Division Street)?
Coulbourn Mill Dam (South Division Street) 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 Coulbourn Mill Dam (South Division Street)?
Coulbourn Mill Dam (South Division Street) is owned by Wicomico County Government-Mark Whitelock (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Coulbourn Mill Dam (South Division Street) built?
Coulbourn Mill Dam (South Division Street) was completed in 1947, making it 79 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 Coulbourn Mill Dam (South Division Street)?
Coulbourn Mill Dam (South Division Street) serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Coulbourn Mill Dam (South Division Street)?
Coulbourn Mill Dam (South Division Street) has a dam height of 12 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Coulbourn Mill Dam (South Division Street) last inspected?
Coulbourn Mill Dam (South Division Street) was last inspected on January 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.