Centennial Park Dam

Little Patuxent River-TR· Howard, Maryland· Built 1985· Earth· 42 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Centennial Park Dam is classified as high hazard in Maryland. It was completed in 1985 and is 41 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 42 ft (taller than 87.1% in MD)
Dam Length1,025 ft
Dam TypeEarth
Max Storage1.5K acre-ft
Normal Storage510 acre-ft
Surface Area50 acres
Drainage Area4 sq mi
Max Discharge13,897 cfs
Year Completed1985 (41 years old)
Year Modified1985
NID IDMD00263

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: April 22, 2021
State Regulated: Yes
Regulatory Agency: MD Dam Safety

Ownership

Howard County Parks Dept

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Centennial Park Dam?

Centennial Park Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Centennial Park Dam?

Centennial Park Dam is owned by Howard County Parks Dept (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Centennial Park Dam built?

Centennial Park Dam was completed in 1985, making it 41 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 Centennial Park Dam?

Centennial Park 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 Centennial Park Dam?

Centennial Park Dam has a dam height of 42 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 Centennial Park Dam last inspected?

Centennial Park Dam was last inspected on April 22, 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.