Nahma Marsh Dam
Key Takeaway
Nahma Marsh Dam is classified as low hazard in Michigan. It was completed in 1988 and is 38 years old. Its primary use is recreation.
Physical Details
| Dam Height | 7 ft (taller than 1.3% in MI) |
| Dam Length | 390 ft |
| Dam Type | Earth |
| Max Storage | 360 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 82 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1988 (38 years old) |
| NID ID | MI00283 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Hiawatha National Forest
Federal Government
Frequently Asked Questions
What is the hazard classification of Nahma Marsh Dam?
Nahma Marsh Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Nahma Marsh Dam?
Nahma Marsh Dam is owned by Hiawatha National Forest (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nahma Marsh Dam built?
Nahma Marsh Dam was completed in 1988, making it 38 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 Nahma Marsh Dam?
Nahma Marsh Dam 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 Nahma Marsh Dam?
Nahma Marsh Dam has a dam height of 7 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 Nahma Marsh Dam last inspected?
Nahma Marsh Dam was last inspected on October 30, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.