Columbia Road Dam
Key Takeaway
Columbia Road Dam is classified as low hazard in South Dakota. It was completed in 1939 and is 87 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 10 ft (taller than 1.1% in SD) |
| Dam Length | 3,100 ft |
| Dam Type | Earth |
| Max Storage | 41.9K acre-ft |
| Normal Storage | 18.4K acre-ft |
| Surface Area | 6,050 acres |
| Drainage Area | 4,140 sq mi |
| Max Discharge | 3,510 cfs |
| Year Completed | 1939 (87 years old) |
| NID ID | SD01192 |
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 Columbia Road Dam?
Columbia Road 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 Columbia Road Dam?
Columbia Road 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 Columbia Road Dam built?
Columbia Road Dam was completed in 1939, making it 87 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 Columbia Road Dam?
Columbia Road 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 Columbia Road Dam?
Columbia Road Dam has a dam height of 10 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 Columbia Road Dam last inspected?
Columbia Road Dam was last inspected on October 20, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.