Spring Ridge Swm Pond No. 4a
Key Takeaway
Spring Ridge Swm Pond No. 4a is classified as low hazard in Maryland. It was completed in 1994 and is 32 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 16 ft (taller than 29.7% in MD) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 50 acre-ft |
| Normal Storage | 6 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 400 cfs |
| Year Completed | 1994 (32 years old) |
| Year Modified | 1994 |
| NID ID | MD00533 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Spring Ridge Conservancy
Private
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Low Hazard 50 ftHolly Hills Section 4 Swm Pond 1
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Low Hazard 40 ftMonocacy Boulevard Dam
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High Hazard 15 ftFrederick Research Park Lot 4 Swm Pond
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Significant Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Spring Ridge Swm Pond No. 4a?
Spring Ridge Swm Pond No. 4a is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Spring Ridge Swm Pond No. 4a?
Spring Ridge Swm Pond No. 4a is owned by Spring Ridge Conservancy (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Spring Ridge Swm Pond No. 4a built?
Spring Ridge Swm Pond No. 4a was completed in 1994, making it 32 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 Spring Ridge Swm Pond No. 4a?
Spring Ridge Swm Pond No. 4a 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 Spring Ridge Swm Pond No. 4a?
Spring Ridge Swm Pond No. 4a has a dam height of 16 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 Spring Ridge Swm Pond No. 4a last inspected?
Spring Ridge Swm Pond No. 4a was last inspected on November 17, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.