Catonsville Community Park Regional Swm Pond Dam (Ba-359)

Patapsco River-TR· Baltimore, Maryland· Built 1985· Earth· 21 ft tall

High Hazard Flood Risk Reduction Local Government

Key Takeaway

Catonsville Community Park Regional Swm Pond Dam (Ba-359) 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	21 ft (taller than 47.7% in MD)
Dam Length	380 ft
Dam Type	Earth
Max Storage	27 acre-ft
Normal Storage	0 acre-ft

Surface Area	0 acres
Drainage Area	0 sq mi
Max Discharge	1,100 cfs
Year Completed	1985 (41 years old)
Year Modified	2009
NID ID	MD00588

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 13, 2023

State Regulated: Yes

Regulatory Agency: MD Dam Safety

Ownership

Baltimore County DEPS

Local Government

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Frequently Asked Questions

What is the hazard classification of Catonsville Community Park Regional Swm Pond Dam (Ba-359)?

Catonsville Community Park Regional Swm Pond Dam (Ba-359) 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 Catonsville Community Park Regional Swm Pond Dam (Ba-359)?

Catonsville Community Park Regional Swm Pond Dam (Ba-359) is owned by Baltimore County DEPS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Catonsville Community Park Regional Swm Pond Dam (Ba-359) built?

Catonsville Community Park Regional Swm Pond Dam (Ba-359) 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 Catonsville Community Park Regional Swm Pond Dam (Ba-359)?

Catonsville Community Park Regional Swm Pond Dam (Ba-359) 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 Catonsville Community Park Regional Swm Pond Dam (Ba-359)?

Catonsville Community Park Regional Swm Pond Dam (Ba-359) has a dam height of 21 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 Catonsville Community Park Regional Swm Pond Dam (Ba-359) last inspected?

Catonsville Community Park Regional Swm Pond Dam (Ba-359) was last inspected on April 13, 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.