R. Clark No.1
Key Takeaway
R. Clark No.1 is classified as low hazard in South Dakota. It was completed in 1946 and is 80 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 19 ft (taller than 29.5% in SD) |
| Dam Length | 630 ft |
| Dam Type | Earth |
| Max Storage | 190 acre-ft |
| Normal Storage | 190 acre-ft |
| Max Discharge | 3,084 cfs |
| Year Completed | 1946 (80 years old) |
| NID ID | SD00355 |
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
R. CLARK
Private
Nearby Dams
R. Clark No.2
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Low Hazard 12 ftR. Clark No.3
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Low Hazard 11 ftG&J Heck No.1
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Low Hazard 23 ftG & J Heck No.2
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Low Hazard 25 ftG&J Heck No.2
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Low Hazard 25 ftG. Boldt
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Low Hazard 18 ftIsabel
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High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of R. Clark No.1?
R. Clark 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 R. Clark No.1?
R. Clark No.1 is owned by R. CLARK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was R. Clark No.1 built?
R. Clark No.1 was completed in 1946, making it 80 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 R. Clark No.1?
R. Clark 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 R. Clark No.1?
R. Clark No.1 has a dam height of 19 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.