Swayze Irr. Dam
Key Takeaway
Swayze Irr. Dam is classified as low hazard in South Dakota. It was completed in 1981 and is 45 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 21 ft (taller than 40.7% in SD) |
| Dam Length | 865 ft |
| Dam Type | Earth |
| Max Storage | 66 acre-ft |
| Normal Storage | 47 acre-ft |
| Max Discharge | 630 cfs |
| Year Completed | 1981 (45 years old) |
| NID ID | SD02303 |
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
SWAYSE BROS.
Private
Nearby Dams
Swayze Irr. Dam #2
Roberts, SD
Low Hazard 24 ftAmmann Dam
Roberts, SD
Low Hazard 35 ftQuade Dam
Roberts, SD
Low Hazard 26 ftHorton Dam
Roberts, SD
Low Hazard 16 ftHorton Dam #2
Roberts, SD
Low Hazard 18 ftCircle Bar Ranch Dam
Grant, SD
Low Hazard 20 ftO'Farrell Dam No. 1
Grant, SD
Low Hazard 20 ftO'Farrell Dam No. 2
Grant, SD
Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Swayze Irr. Dam?
Swayze Irr. 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 Swayze Irr. Dam?
Swayze Irr. Dam is owned by SWAYSE BROS. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Swayze Irr. Dam built?
Swayze Irr. Dam was completed in 1981, making it 45 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 Swayze Irr. Dam?
Swayze Irr. Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Swayze Irr. Dam?
Swayze Irr. Dam 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.