Glen Holloway
Key Takeaway
Glen Holloway is classified as low hazard in South Dakota. It was completed in 1947 and is 79 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 21 ft (taller than 40.7% in SD) |
| Dam Length | 270 ft |
| Dam Type | Earth |
| Max Storage | 60 acre-ft |
| Normal Storage | 30 acre-ft |
| Max Discharge | 4,880 cfs |
| Year Completed | 1947 (79 years old) |
| NID ID | SD00244 |
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
GLEN HOLLOWAY
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Glen Holloway?
Glen Holloway 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 Glen Holloway?
Glen Holloway is owned by GLEN HOLLOWAY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Glen Holloway built?
Glen Holloway was completed in 1947, making it 79 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 Glen Holloway?
Glen Holloway 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 Glen Holloway?
Glen Holloway has a dam height of 21 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.