Triple 7 Ranch Dam
Key Takeaway
Triple 7 Ranch Dam is classified as low hazard in South Dakota. It was completed in 1963 and is 63 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 32 ft (taller than 90.4% in SD) |
| Dam Length | 1,200 ft |
| Dam Type | Earth |
| Max Storage | 2.0K acre-ft |
| Normal Storage | 1.3K acre-ft |
| Max Discharge | 2,900 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | SD02338 |
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
DAKOTA PARTNERSHIP
Private
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Significant Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Triple 7 Ranch Dam?
Triple 7 Ranch Dam 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 Triple 7 Ranch Dam?
Triple 7 Ranch Dam is owned by DAKOTA PARTNERSHIP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Triple 7 Ranch Dam built?
Triple 7 Ranch Dam was completed in 1963, making it 63 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 Triple 7 Ranch Dam?
Triple 7 Ranch Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Triple 7 Ranch Dam?
Triple 7 Ranch Dam has a dam height of 32 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.