Rolling Hills Swm Pond

Gunners Branch-TR· Montgomery, Maryland· Built 1982· Earth· 15 ft tall
High Hazard Flood Risk Reduction Private

Key Takeaway

Rolling Hills Swm Pond is classified as high hazard in Maryland. It was completed in 1982 and is 44 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 15 ft (taller than 21.8% in MD)
Dam Length200 ft
Dam TypeEarth
Max Storage11 acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Year Completed1982 (44 years old)
Year Modified1982
NID IDMD00496

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: March 11, 2022
State Regulated: Yes
Regulatory Agency: MD Dam Safety

Ownership

Rolling Hills LP

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Rolling Hills Swm Pond?

Rolling Hills Swm Pond 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 Rolling Hills Swm Pond?

Rolling Hills Swm Pond is owned by Rolling Hills LP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Rolling Hills Swm Pond built?

Rolling Hills Swm Pond was completed in 1982, making it 44 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 Rolling Hills Swm Pond?

Rolling Hills 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 Rolling Hills Swm Pond?

Rolling Hills Swm Pond 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 Rolling Hills Swm Pond last inspected?

Rolling Hills Swm Pond was last inspected on March 11, 2022. 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.