Sd Noname 238
Key Takeaway
Sd Noname 238 is classified as significant hazard in South Dakota. It was completed in 1966 and is 60 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 26 ft (taller than 65.2% in SD) |
| Dam Length | 145 ft |
| Dam Type | Earth |
| Max Storage | 146 acre-ft |
| Normal Storage | 114 acre-ft |
| Max Discharge | 1,300 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | SD01506 |
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
F.J. OCONNOR
Private
Nearby Dams
Nelson Dam
Haakon, SD
Low Hazard 30 ftSd Noname 242
Haakon, SD
Low Hazard 21 ftSd Noname 248
Haakon, SD
Low Hazard 18 ftSd Noname 38
Haakon, SD
Low Hazard 20 ftSd Noname 82
Haakon, SD
Low Hazard 14 ftSd Noname 83
Haakon, SD
Low Hazard 15 ftSd Noname 246
Haakon, SD
Low Hazard 15 ftSd Noname 247
Haakon, SD
Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Sd Noname 238?
Sd Noname 238 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 238?
Sd Noname 238 is owned by F.J. OCONNOR (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sd Noname 238 built?
Sd Noname 238 was completed in 1966, making it 60 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 238?
Sd Noname 238 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 238?
Sd Noname 238 has a dam height of 26 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.