Cannon Dam
Key Takeaway
Cannon Dam is classified as low hazard in South Dakota. It was completed in 2009 and is 17 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 13 ft (taller than 5.1% in SD) |
| Dam Length | 1,117 ft |
| Dam Type | Earth |
| Max Storage | 485 acre-ft |
| Normal Storage | 83 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 17 sq mi |
| Max Discharge | 3,400 cfs |
| Year Completed | 2009 (17 years old) |
| NID ID | SD02582 |
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
ROBERT CANNON
Private
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Cannon Dam?
Cannon 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 Cannon Dam?
Cannon Dam is owned by ROBERT CANNON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cannon Dam built?
Cannon Dam was completed in 2009, making it 17 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 Cannon Dam?
Cannon Dam serves the following purposes: Fish And Wildlife Pond, 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 Cannon Dam?
Cannon Dam has a dam height of 13 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.