Hank Ranch Dam
Key Takeaway
Hank Ranch Dam is classified as low hazard in South Dakota. It was completed in 1943 and is 83 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 16 ft (taller than 15.7% in SD) |
| Dam Length | 560 ft |
| Dam Type | Earth |
| Max Storage | 50 acre-ft |
| Normal Storage | 20 acre-ft |
| Max Discharge | 750 cfs |
| Year Completed | 1943 (83 years old) |
| NID ID | SD01965 |
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
H&K RANCH
Private
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Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Hank Ranch Dam?
Hank 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 Hank Ranch Dam?
Hank Ranch Dam is owned by H&K RANCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hank Ranch Dam built?
Hank Ranch Dam was completed in 1943, making it 83 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 Hank Ranch Dam?
Hank Ranch 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 Hank Ranch Dam?
Hank Ranch Dam has a dam height of 16 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.