Holzwarth Dam
Key Takeaway
Holzwarth Dam is classified as significant hazard in South Dakota. It was completed in 1956 and is 70 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 25 ft (taller than 57.4% in SD) |
| Dam Length | 456 ft |
| Dam Type | Earth |
| Max Storage | 320 acre-ft |
| Normal Storage | 285 acre-ft |
| Max Discharge | 1,352 cfs |
| Year Completed | 1956 (70 years old) |
| NID ID | SD00943 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
ELDORE L. HOLZWARTH
Private
Nearby Dams
Ralph Holzwarth
Potter, SD
Low Hazard 17 ftT. Holzwarth
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Low Hazard 24 ftC.W. Stewart
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Low Hazard 17 ftC. Iverson
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Low Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Holzwarth Dam?
Holzwarth Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Holzwarth Dam?
Holzwarth Dam is owned by ELDORE L. HOLZWARTH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Holzwarth Dam built?
Holzwarth Dam was completed in 1956, making it 70 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 Holzwarth Dam?
Holzwarth Dam 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 Holzwarth Dam?
Holzwarth Dam has a dam height of 25 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.