Diamond Ring Ranch #5
Key Takeaway
Diamond Ring Ranch #5 is classified as low hazard in South Dakota. It was completed in 1969 and is 57 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 18 ft (taller than 24.1% in SD) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 150 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 12 acres |
| Max Discharge | 810 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | SD02425 |
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
WILBER OHLMANN
Private
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Diamond Ring Ranch #5?
Diamond Ring Ranch #5 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 Diamond Ring Ranch #5?
Diamond Ring Ranch #5 is owned by WILBER OHLMANN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Diamond Ring Ranch #5 built?
Diamond Ring Ranch #5 was completed in 1969, making it 57 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 Diamond Ring Ranch #5?
Diamond Ring Ranch #5 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Diamond Ring Ranch #5?
Diamond Ring Ranch #5 has a dam height of 18 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 Diamond Ring Ranch #5 last inspected?
Diamond Ring Ranch #5 was last inspected on November 3, 1997. Inspection dates indicate when a formal review occurred, not the results of that inspection.