Ritchie Hill Swm Pond

Ritchie Branch-TR· Prince George's, Maryland· Built 2008· Earth· 15 ft tall
Significant Hazard State Government

Key Takeaway

Ritchie Hill Swm Pond is classified as significant hazard in Maryland. It was completed in 2008 and is 18 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 15 ft (taller than 21.8% in MD)
Dam TypeEarth
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge856 cfs
Year Completed2008 (18 years old)
Year Modified2008
NID IDMD00402

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: Yes
Last Inspection: December 23, 2021
State Regulated: Yes
Regulatory Agency: MD Dam Safety

Ownership

MD DOT State Highway Admin Bridge Hydraulics

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ritchie Hill Swm Pond?

Ritchie Hill Swm Pond 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 Ritchie Hill Swm Pond?

Ritchie Hill Swm Pond is owned by MD DOT State Highway Admin Bridge Hydraulics (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ritchie Hill Swm Pond built?

Ritchie Hill Swm Pond was completed in 2008, making it 18 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Ritchie Hill Swm Pond?

Ritchie Hill Swm Pond has a dam height of 15 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 Ritchie Hill Swm Pond last inspected?

Ritchie Hill Swm Pond was last inspected on December 23, 2021. 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.