Eureka Lake
Key Takeaway
Eureka Lake is classified as significant hazard in South Dakota. It was completed in 1962 and is 64 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 11.1% in SD) |
| Dam Length | 1,650 ft |
| Dam Type | Earth |
| Max Storage | 594 acre-ft |
| Normal Storage | 594 acre-ft |
| Max Discharge | 0 cfs |
| Year Completed | 1962 (64 years old) |
| NID ID | SD00666 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
CITY OF EUREKA
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Eureka Lake?
Eureka Lake is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Eureka Lake?
Eureka Lake is owned by CITY OF EUREKA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Eureka Lake built?
Eureka Lake was completed in 1962, making it 64 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 Eureka Lake?
Eureka Lake serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Eureka Lake?
Eureka Lake 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.