Dannie Oconnell
Key Takeaway
Dannie Oconnell is classified as low hazard in South Dakota. It was completed in 1960 and is 66 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 20 ft (taller than 33.7% in SD) |
| Dam Length | 635 ft |
| Dam Type | Earth |
| Max Storage | 100 acre-ft |
| Normal Storage | 55 acre-ft |
| Max Discharge | 950 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | SD01966 |
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
DANNIE OCONNELL
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Dannie Oconnell?
Dannie Oconnell 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 Dannie Oconnell?
Dannie Oconnell is owned by DANNIE OCONNELL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dannie Oconnell built?
Dannie Oconnell was completed in 1960, making it 66 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 Dannie Oconnell?
Dannie Oconnell 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 Dannie Oconnell?
Dannie Oconnell has a dam height of 20 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.