Crompton
Key Takeaway
Crompton is classified as low hazard in South Dakota. It was completed in 1935 and is 91 years old. Its primary use is recreation.
Physical Details
| Dam Height | 20 ft (taller than 33.7% in SD) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 275 acre-ft |
| Surface Area | 55 acres |
| Drainage Area | 44 sq mi |
| Max Discharge | 6,448 cfs |
| Year Completed | 1935 (91 years old) |
| NID ID | SD02203 |
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
S&PL
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Crompton?
Crompton 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 Crompton?
Crompton is owned by S&PL (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Crompton built?
Crompton was completed in 1935, making it 91 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 Crompton?
Crompton serves the following purposes: Recreation, 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 Crompton?
Crompton has a dam height of 20 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.
When was Crompton last inspected?
Crompton was last inspected on October 20, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.