Nix Number 3
Key Takeaway
Nix Number 3 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 | 28 ft (taller than 77.7% in SD) |
| Dam Length | 285 ft |
| Dam Type | Earth |
| Max Storage | 20 acre-ft |
| Normal Storage | 15 acre-ft |
| Max Discharge | 450 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | SD00109 |
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
RICHARD NIX
Private
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Nix Number 3?
Nix Number 3 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 Nix Number 3?
Nix Number 3 is owned by RICHARD NIX (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nix Number 3 built?
Nix Number 3 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 Nix Number 3?
Nix Number 3 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 Nix Number 3?
Nix Number 3 has a dam height of 28 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.