Rattlewood Golf Course

Patuxent River-TR· Montgomery, Maryland· Built 1975· Earth· 31 ft tall
Significant Hazard Irrigation Recreation Local Government

Key Takeaway

Rattlewood Golf Course is classified as significant hazard in Maryland. It was completed in 1975 and is 51 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 31 ft (taller than 77.2% in MD)
Dam Length400 ft
Dam TypeEarth
Max Storage50 acre-ft
Normal Storage24 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge10 cfs
Year Completed1975 (51 years old)
NID IDMD00338

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 22, 2021
State Regulated: Yes
Regulatory Agency: MD Dam Safety

Ownership

Montgomery County Revenue Authority

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Rattlewood Golf Course?

Rattlewood Golf Course 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 Rattlewood Golf Course?

Rattlewood Golf Course is owned by Montgomery County Revenue Authority (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Rattlewood Golf Course built?

Rattlewood Golf Course was completed in 1975, making it 51 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 Rattlewood Golf Course?

Rattlewood Golf Course serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Rattlewood Golf Course?

Rattlewood Golf Course has a dam height of 31 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 Rattlewood Golf Course last inspected?

Rattlewood Golf Course was last inspected on June 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.