Ray Martinmaas Dam
Key Takeaway
Ray Martinmaas Dam is classified as low hazard in South Dakota. It was completed in 2022 and is 4 years old. Its primary use is recreation.
Physical Details
| Dam Height | 17 ft (taller than 20.2% in SD) |
| Dam Length | 388 ft |
| Dam Type | Earth |
| Max Storage | 86 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 990 cfs |
| Year Completed | 2022 (4 years old) |
| NID ID | SD02651 |
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
Ray Martinmaas
Private
Frequently Asked Questions
What is the hazard classification of Ray Martinmaas Dam?
Ray Martinmaas 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 Ray Martinmaas Dam?
Ray Martinmaas Dam is owned by Ray Martinmaas (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ray Martinmaas Dam built?
Ray Martinmaas Dam was completed in 2022, making it 4 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 Ray Martinmaas Dam?
Ray Martinmaas Dam serves the following purposes: Recreation, Fire Protection, Stock, Or Small Fish Pond, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Ray Martinmaas Dam?
Ray Martinmaas Dam has a dam height of 17 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.