Wientjes Bros No.1
Key Takeaway
Wientjes Bros No.1 is classified as low hazard in South Dakota. It was completed in 1971 and is 55 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 29 ft (taller than 82.6% in SD) |
| Dam Length | 270 ft |
| Dam Type | Earth |
| Max Storage | 60 acre-ft |
| Normal Storage | 40 acre-ft |
| Max Discharge | 840 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | SD00448 |
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
JAMES AND WILLIS WIENTJES NO.1
Private
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Low Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Wientjes Bros No.1?
Wientjes Bros 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 Wientjes Bros No.1?
Wientjes Bros No.1 is owned by JAMES AND WILLIS WIENTJES NO.1 (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wientjes Bros No.1 built?
Wientjes Bros No.1 was completed in 1971, making it 55 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 Wientjes Bros No.1?
Wientjes Bros 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 Wientjes Bros No.1?
Wientjes Bros No.1 has a dam height of 29 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.