Ralph Holzwarth
Key Takeaway
Ralph Holzwarth is classified as low hazard in South Dakota. It was completed in 1950 and is 76 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 17 ft (taller than 20.2% in SD) |
| Dam Length | 380 ft |
| Dam Type | Earth |
| Max Storage | 84 acre-ft |
| Normal Storage | 60 acre-ft |
| Max Discharge | 360 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | SD00942 |
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
RALPH HOLZWARTH
Private
Nearby Dams
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Low Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Ralph Holzwarth?
Ralph Holzwarth 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 Ralph Holzwarth?
Ralph Holzwarth is owned by RALPH HOLZWARTH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ralph Holzwarth built?
Ralph Holzwarth was completed in 1950, making it 76 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 Ralph Holzwarth?
Ralph Holzwarth 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 Ralph Holzwarth?
Ralph Holzwarth has a dam height of 17 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.