Anderson No.1
Key Takeaway
Anderson No.1 is classified as low hazard in South Dakota. It was completed in 1956 and is 70 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 27 ft (taller than 71.8% in SD) |
| Dam Length | 351 ft |
| Dam Type | Earth |
| Max Storage | 22 acre-ft |
| Normal Storage | 19 acre-ft |
| Max Discharge | 187 cfs |
| Year Completed | 1956 (70 years old) |
| NID ID | SD01538 |
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
ANDERSON
Private
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Anderson No.1?
Anderson No.1 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 Anderson No.1?
Anderson No.1 is owned by ANDERSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Anderson No.1 built?
Anderson No.1 was completed in 1956, making it 70 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 Anderson No.1?
Anderson No.1 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 Anderson No.1?
Anderson No.1 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.