Circle C No.1
Key Takeaway
Circle C No.1 is classified as low hazard in South Dakota. It was completed in 1951 and is 75 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 18 ft (taller than 24.1% in SD) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 57 acre-ft |
| Normal Storage | 28 acre-ft |
| Max Discharge | 630 cfs |
| Year Completed | 1951 (75 years old) |
| NID ID | SD01371 |
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
KELLY FORTUNE
Private
Nearby Dams
Circle C No.2
Custer, SD
Significant Hazard 30 ftM. Scism No.1
Custer, SD
Low Hazard 28 ftEarl Witte No.1
Custer, SD
Low Hazard 21 ftG. Flier
Custer, SD
Low Hazard 19 ftM. Scism No.2
Custer, SD
Low Hazard 27 ftC. Peterson
Custer, SD
Low Hazard 25 ftPat Brown
Custer, SD
Low Hazard 28 ftBloom
Pennington, SD
Low HazardFrequently Asked Questions
What is the hazard classification of Circle C No.1?
Circle C 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 Circle C No.1?
Circle C No.1 is owned by KELLY FORTUNE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Circle C No.1 built?
Circle C No.1 was completed in 1951, making it 75 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 Circle C No.1?
Circle C No.1 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 Circle C No.1?
Circle C No.1 has a dam height of 18 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.