Clavel No.1
Key Takeaway
Clavel No.1 is classified as low hazard in South Dakota. It was completed in 1947 and is 79 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 23 ft (taller than 49.8% in SD) |
| Dam Length | 1,000 ft |
| Dam Type | Earth |
| Max Storage | 518 acre-ft |
| Normal Storage | 294 acre-ft |
| Max Discharge | 6,000 cfs |
| Year Completed | 1947 (79 years old) |
| NID ID | SD00773 |
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
CALVIN CAVEL
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Clavel No.1?
Clavel 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 Clavel No.1?
Clavel No.1 is owned by CALVIN CAVEL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Clavel No.1 built?
Clavel No.1 was completed in 1947, making it 79 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 Clavel No.1?
Clavel 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 Clavel No.1?
Clavel No.1 has a dam height of 23 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.