New Mark Commons Community Lake
Key Takeaway
New Mark Commons Community Lake is classified as significant hazard in Maryland. It was completed in 1966 and is 60 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 21.8% in MD) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 50 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1966 (60 years old) |
| Year Modified | 1966 |
| NID ID | MD00628 |
Safety Information
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?
Ownership
New Mark Commons Assn Inc
Private
Nearby Dams
Tower Oaks
Montgomery, MD
Low Hazard 25 ftMontgomery College - Rockville Campus - SWM Dam
Montgomery, MD
Significant Hazard 14 ftLake Frank
Montgomery, MD
High Hazard 78 ftLake Needwood
Montgomery, MD
High Hazard 65 ftCrabbs Branch Swm Facility (Redland Road)
Montgomery, MD
High Hazard 27 ftLakeview Dam/Westlake Dam
Montgomery, MD
Low Hazard 26 ftGudelsky Pond Dam
Montgomery, MD
High Hazard 20 ftFalls Road Golf Course
Montgomery, MD
High Hazard 25 ftFrequently Asked Questions
What is the hazard classification of New Mark Commons Community Lake?
New Mark Commons Community Lake 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 New Mark Commons Community Lake?
New Mark Commons Community Lake is owned by New Mark Commons Assn Inc (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was New Mark Commons Community Lake built?
New Mark Commons Community Lake was completed in 1966, making it 60 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 New Mark Commons Community Lake?
New Mark Commons Community Lake serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is New Mark Commons Community Lake?
New Mark Commons Community Lake 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 New Mark Commons Community Lake last inspected?
New Mark Commons Community Lake was last inspected on October 14, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.