Wyndemere Swm Pond

Patuxent River-TR· Howard, Maryland· Built 1995· Earth· 13 ft tall
Significant Hazard Flood Risk Reduction Private

Key Takeaway

Wyndemere Swm Pond is classified as significant hazard in Maryland. It was completed in 1995 and is 31 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 13 ft (taller than 14.1% in MD)
Dam Length380 ft
Dam TypeEarth
Max Storage8 acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge1,443 cfs
Year Completed1995 (31 years old)
Year Modified1995
NID IDMD00323

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: May 15, 2019
State Regulated: Yes
Regulatory Agency: MD Dam Safety

Ownership

JJM, Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Wyndemere Swm Pond?

Wyndemere 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 Wyndemere Swm Pond?

Wyndemere Swm Pond is owned by JJM, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Wyndemere Swm Pond built?

Wyndemere Swm Pond was completed in 1995, making it 31 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 Wyndemere Swm Pond?

Wyndemere Swm Pond 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 Wyndemere Swm Pond?

Wyndemere Swm Pond has a dam height of 13 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 Wyndemere Swm Pond last inspected?

Wyndemere Swm Pond was last inspected on May 15, 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.