Walter Dennis Irrigation
Key Takeaway
Walter Dennis Irrigation is classified as low hazard in South Dakota. It was completed in 1960 and is 66 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 21 ft (taller than 40.7% in SD) |
| Dam Length | 100 ft |
| Dam Type | Earth |
| Max Storage | 830 acre-ft |
| Normal Storage | 67 acre-ft |
| Max Discharge | 810 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | SD01055 |
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
WALTER DENNIS
Private
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Walter Dennis Irrigation
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Walter Dennis Irrigation?
Walter Dennis Irrigation 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 Walter Dennis Irrigation?
Walter Dennis Irrigation is owned by WALTER DENNIS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Walter Dennis Irrigation built?
Walter Dennis Irrigation was completed in 1960, making it 66 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 Walter Dennis Irrigation?
Walter Dennis Irrigation serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Walter Dennis Irrigation?
Walter Dennis Irrigation has a dam height of 21 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.