Holly Hills Section 4 Swm Pond 1
Key Takeaway
Holly Hills Section 4 Swm Pond 1 is classified as significant hazard in Maryland. It was completed in 2001 and is 25 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 26 ft (taller than 64.5% in MD) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 73 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 4,500 cfs |
| Year Completed | 2001 (25 years old) |
| Year Modified | 2001 |
| NID ID | MD00333 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Holly Hills HOA
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Holly Hills Section 4 Swm Pond 1?
Holly Hills Section 4 Swm Pond 1 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Holly Hills Section 4 Swm Pond 1?
Holly Hills Section 4 Swm Pond 1 is owned by Holly Hills HOA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Holly Hills Section 4 Swm Pond 1 built?
Holly Hills Section 4 Swm Pond 1 was completed in 2001, making it 25 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 Holly Hills Section 4 Swm Pond 1?
Holly Hills Section 4 Swm Pond 1 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Holly Hills Section 4 Swm Pond 1?
Holly Hills Section 4 Swm Pond 1 has a dam height of 26 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 Holly Hills Section 4 Swm Pond 1 last inspected?
Holly Hills Section 4 Swm Pond 1 was last inspected on December 20, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.