Harwood
Key Takeaway
Harwood is classified as low hazard in South Dakota. It was completed in 1956 and is 70 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 26 ft (taller than 65.2% in SD) |
| Dam Length | 310 ft |
| Dam Type | Earth |
| Max Storage | 36 acre-ft |
| Normal Storage | 21 acre-ft |
| Max Discharge | 440 cfs |
| Year Completed | 1956 (70 years old) |
| NID ID | SD01909 |
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
BOYD HARWOOD
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Harwood?
Harwood 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 Harwood?
Harwood is owned by BOYD HARWOOD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Harwood built?
Harwood was completed in 1956, making it 70 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 Harwood?
Harwood 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 Harwood?
Harwood has a dam height of 26 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.