Perrywood (Manor House Drive)

Collington Branch - TR· Prince George's, Maryland· Built 1984· Earth· 16 ft tall

Significant Hazard Private

Key Takeaway

Perrywood (Manor House Drive) is classified as significant hazard in Maryland. It was completed in 1984 and is 42 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height	16 ft (taller than 29.7% in MD)
Dam Length	300 ft
Dam Type	Earth
Max Storage	111 acre-ft
Normal Storage	10 acre-ft

Surface Area	3 acres
Drainage Area	0 sq mi
Max Discharge	126 cfs
Year Completed	1984 (42 years old)
Year Modified	2002
NID ID	MD00605

Safety Information

Significant Hazard

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?

Emergency Action Plan: No

Last Inspection: July 12, 2019

State Regulated: Yes

Regulatory Agency: MD Dam Safety

Ownership

Perrywood Manor HOA, Inc.

Private

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Frequently Asked Questions

What is the hazard classification of Perrywood (Manor House Drive)?

Perrywood (Manor House Drive) 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 Perrywood (Manor House Drive)?

Perrywood (Manor House Drive) is owned by Perrywood Manor HOA, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Perrywood (Manor House Drive) built?

Perrywood (Manor House Drive) was completed in 1984, making it 42 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Perrywood (Manor House Drive)?

Perrywood (Manor House Drive) 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 Perrywood (Manor House Drive) last inspected?

Perrywood (Manor House Drive) was last inspected on July 12, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.