Sd Noname 49
Key Takeaway
Sd Noname 49 is classified as significant hazard in South Dakota. It was completed in 1955 and is 71 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 11.1% in SD) |
| Dam Length | 575 ft |
| Dam Type | Earth |
| Max Storage | 92 acre-ft |
| Normal Storage | 53 acre-ft |
| Max Discharge | 840 cfs |
| Year Completed | 1955 (71 years old) |
| NID ID | SD00792 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
HELEN DEAN
Private
Nearby Dams
Sd Noname 51
Haakon, SD
Significant Hazard 24 ftSd Noname 52
Haakon, SD
Low Hazard 24 ftSd Noname 50
Haakon, SD
Significant Hazard 15 ftSd Noname 46
Haakon, SD
Low Hazard 13 ftSd Noname 47
Haakon, SD
Low Hazard 21 ftSd Noname 48
Haakon, SD
Low Hazard 12 ftSd Noname 44
Haakon, SD
Low Hazard 12 ftSd Noname 74
Haakon, SD
Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Sd Noname 49?
Sd Noname 49 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Sd Noname 49?
Sd Noname 49 is owned by HELEN DEAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sd Noname 49 built?
Sd Noname 49 was completed in 1955, making it 71 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 Sd Noname 49?
Sd Noname 49 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 Sd Noname 49?
Sd Noname 49 has a dam height of 15 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.