Lewellan Engelhardt
Key Takeaway
Lewellan Engelhardt is classified as low hazard in South Dakota. It was completed in 1951 and is 75 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 21 ft (taller than 40.7% in SD) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 134 acre-ft |
| Normal Storage | 96 acre-ft |
| Max Discharge | 750 cfs |
| Year Completed | 1951 (75 years old) |
| NID ID | SD02042 |
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
LEWELLAN ENGELHARDT
Private
Nearby Dams
Two Buttes Dam
Perkins, SD
Low Hazard 19 ftBeryl Veal
Perkins, SD
Low Hazard 14 ftBeryl Veal
Perkins, SD
Low Hazard 18 ftFrancis Veal
Perkins, SD
Low Hazard 16 ftOdou Patterson
Perkins, SD
Low Hazard 39 ftLouie Englehardt
Perkins, SD
Low Hazard 21 ftArnt Jorgenson
Perkins, SD
Low Hazard 17 ftGeorge Clark
Perkins, SD
Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Lewellan Engelhardt?
Lewellan Engelhardt 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 Lewellan Engelhardt?
Lewellan Engelhardt is owned by LEWELLAN ENGELHARDT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lewellan Engelhardt built?
Lewellan Engelhardt was completed in 1951, making it 75 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 Lewellan Engelhardt?
Lewellan Engelhardt 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 Lewellan Engelhardt?
Lewellan Engelhardt 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.