Anderson No.1
Key Takeaway
Anderson No.1 is classified as low hazard in South Dakota. It was completed in 1966 and is 60 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 22 ft (taller than 45.6% in SD) |
| Dam Length | 510 ft |
| Dam Type | Earth |
| Max Storage | 59 acre-ft |
| Normal Storage | 40 acre-ft |
| Max Discharge | 789 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | SD01323 |
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
Nearby Dams
Eklund #3
Mellette, SD
Low Hazard 26 ftEcklund No. 2
Mellette, SD
Low Hazard 26 ftEklund #4
Mellette, SD
Low Hazard 29 ftAnderson No.2
Mellette, SD
Low Hazard 25 ftEklund No.5
Mellette, SD
Low Hazard 24 ftEckland A.W. No.1
Mellette, SD
Low Hazard 27 ftGilliland Roy No.1
Mellette, SD
Low Hazard 28 ftNelson #1
Mellette, SD
Low Hazard 28 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 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 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 22 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.