Quaker Mill Flood Control Dam

UN Trib to Patapsco· Howard, Maryland· Built 2023· Concrete· 15 ft tall
Significant Hazard Flood Risk Reduction Local Government

Key Takeaway

Quaker Mill Flood Control Dam is classified as significant hazard in Maryland. It was completed in 2023 and is 3 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 15 ft (taller than 21.8% in MD)
Dam Length150 ft
Dam TypeConcrete
Normal Storage0 acre-ft
Year Completed2023 (3 years old)
NID IDMD00636

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: June 5, 2023
State Regulated: Yes
Regulatory Agency: MD Dam Safety

Ownership

Howard County

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Quaker Mill Flood Control Dam?

Quaker Mill Flood Control Dam 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 Quaker Mill Flood Control Dam?

Quaker Mill Flood Control Dam is owned by Howard County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Quaker Mill Flood Control Dam built?

Quaker Mill Flood Control Dam was completed in 2023, making it 3 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 Quaker Mill Flood Control Dam?

Quaker Mill Flood Control Dam 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 Quaker Mill Flood Control Dam?

Quaker Mill Flood Control Dam 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 Quaker Mill Flood Control Dam last inspected?

Quaker Mill Flood Control Dam was last inspected on June 5, 2023. 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.