Dykstra Nulmber 11
Key Takeaway
Dykstra Nulmber 11 is classified as low hazard in South Dakota. It was completed in 1961 and is 65 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 27 ft (taller than 71.8% in SD) |
| Dam Length | 582 ft |
| Dam Type | Earth |
| Max Storage | 51 acre-ft |
| Normal Storage | 33 acre-ft |
| Max Discharge | 1,012 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | SD00118 |
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
BEN DYKSTRA
Private
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Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Dykstra Nulmber 11?
Dykstra Nulmber 11 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 Dykstra Nulmber 11?
Dykstra Nulmber 11 is owned by BEN DYKSTRA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dykstra Nulmber 11 built?
Dykstra Nulmber 11 was completed in 1961, making it 65 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 Dykstra Nulmber 11?
Dykstra Nulmber 11 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dykstra Nulmber 11?
Dykstra Nulmber 11 has a dam height of 27 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.