E.E. Pettegrew Dam
Key Takeaway
E.E. Pettegrew Dam is classified as low hazard in South Dakota. It was completed in 1960 and is 66 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 14 ft (taller than 7.8% in SD) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 54 acre-ft |
| Normal Storage | 40 acre-ft |
| Max Discharge | 780 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | SD00648 |
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
E.E. PETTEGREW
Private
Nearby Dams
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Low Hazard 15 ftTrout Dam
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Low Hazard 22 ftPettegrew Pond No.2
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Low Hazard 13 ftFelz Dam
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Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of E.E. Pettegrew Dam?
E.E. Pettegrew 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 E.E. Pettegrew Dam?
E.E. Pettegrew Dam is owned by E.E. PETTEGREW (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was E.E. Pettegrew Dam built?
E.E. Pettegrew Dam was completed in 1960, making it 66 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 E.E. Pettegrew Dam?
E.E. Pettegrew 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 E.E. Pettegrew Dam?
E.E. Pettegrew Dam has a dam height of 14 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.