Crabbs Branch Swm Facility (Redland Road)
Key Takeaway
Crabbs Branch Swm Facility (Redland Road) is classified as high hazard in Maryland. It was completed in 1983 and is 43 years old. Its primary use is recreation. 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 | 27 ft (taller than 67.4% in MD) |
| Dam Length | 950 ft |
| Dam Type | Earth |
| Max Storage | 311 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 4,200 cfs |
| Year Completed | 1983 (43 years old) |
| NID ID | MD00208 |
Safety Information
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?
Ownership
Montgomery County DEP
Local Government
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Crabbs Branch Swm Facility (Redland Road)?
Crabbs Branch Swm Facility (Redland Road) 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 Crabbs Branch Swm Facility (Redland Road)?
Crabbs Branch Swm Facility (Redland Road) is owned by Montgomery County DEP (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Crabbs Branch Swm Facility (Redland Road) built?
Crabbs Branch Swm Facility (Redland Road) was completed in 1983, making it 43 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 Crabbs Branch Swm Facility (Redland Road)?
Crabbs Branch Swm Facility (Redland Road) 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 Crabbs Branch Swm Facility (Redland Road)?
Crabbs Branch Swm Facility (Redland Road) has a dam height of 27 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 Crabbs Branch Swm Facility (Redland Road) last inspected?
Crabbs Branch Swm Facility (Redland Road) was last inspected on April 20, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.