Hamak
Key Takeaway
Hamak is classified as low hazard in South Dakota. It was completed in 1938 and is 88 years old. Its primary use is recreation.
Physical Details
| Dam Height | 28 ft (taller than 77.7% in SD) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 490 acre-ft |
| Normal Storage | 132 acre-ft |
| Max Discharge | 1,400 cfs |
| Year Completed | 1938 (88 years old) |
| NID ID | SD00659 |
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
Blumengard Hutterian Brethren
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Hamak?
Hamak 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 Hamak?
Hamak is owned by Blumengard Hutterian Brethren (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hamak built?
Hamak was completed in 1938, making it 88 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 Hamak?
Hamak 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 Hamak?
Hamak has a dam height of 28 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 Hamak last inspected?
Hamak was last inspected on November 5, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.