Vern Long
Key Takeaway
Vern Long is classified as low hazard in South Dakota. It was completed in 1971 and is 55 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 27 ft (taller than 71.8% in SD) |
| Dam Length | 425 ft |
| Dam Type | Earth |
| Max Storage | 35 acre-ft |
| Normal Storage | 12 acre-ft |
| Max Discharge | 1,995 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | SD00230 |
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
VERN LONG
Private
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Vern Long?
Vern Long 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 Vern Long?
Vern Long is owned by VERN LONG (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Vern Long built?
Vern Long was completed in 1971, making it 55 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 Vern Long?
Vern Long 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 Vern Long?
Vern Long has a dam height of 27 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.