Zell Lake Dam
Key Takeaway
Zell Lake Dam is classified as low hazard in South Dakota. It was completed in 1930 and is 96 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 11 ft (taller than 1.9% in SD) |
| Dam Length | 560 ft |
| Dam Type | Earth |
| Max Storage | 480 acre-ft |
| Normal Storage | 368 acre-ft |
| Surface Area | 100 acres |
| Max Discharge | 2,220 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | SD00662 |
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
US FISH AND WILDLIFE SERVICE
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Zell Lake Dam?
Zell Lake 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 Zell Lake Dam?
Zell Lake Dam is owned by US FISH AND WILDLIFE SERVICE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Zell Lake Dam built?
Zell Lake Dam was completed in 1930, making it 96 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 Zell Lake Dam?
Zell Lake Dam serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Zell Lake Dam?
Zell Lake Dam has a dam height of 11 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 Zell Lake Dam last inspected?
Zell Lake Dam was last inspected on October 21, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.