E.E Pettegrew Dam No.2
Key Takeaway
E.E Pettegrew Dam No.2 is classified as low hazard in South Dakota. It was completed in 1910 and is 116 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 15 ft (taller than 11.1% in SD) |
| Dam Length | 1,500 ft |
| Dam Type | Earth |
| Max Storage | 160 acre-ft |
| Normal Storage | 96 acre-ft |
| Max Discharge | 420 cfs |
| Year Completed | 1910 (116 years old) |
| NID ID | SD01038 |
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 17 ftE.E. Pettegrew Dam
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of E.E Pettegrew Dam No.2?
E.E Pettegrew Dam No.2 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 No.2?
E.E Pettegrew Dam No.2 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 No.2 built?
E.E Pettegrew Dam No.2 was completed in 1910, making it 116 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 No.2?
E.E Pettegrew Dam No.2 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 No.2?
E.E Pettegrew Dam No.2 has a dam height of 15 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.