Cortney Creek Dam
Key Takeaway
Cortney Creek Dam is classified as low hazard in South Dakota. It was completed in 1999 and is 27 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 20 ft (taller than 33.7% in SD) |
| Dam Length | 766 ft |
| Dam Type | Earth |
| Max Storage | 57 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 555 cfs |
| Year Completed | 1999 (27 years old) |
| NID ID | SD02486 |
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
USDA FS
Federal Government
Nearby Dams
Bockert
Fall River, SD
Low Hazard 23 ftBurgess Big Dam
Fall River, SD
Low Hazard 14 ftSandoz Dam
Fall River, SD
Low Hazard 21 ftHay Canyon Dam
Oglala Lakota, SD
Low Hazard 18 ftThompson Ranch Dam
Fall River, SD
Low Hazard 22 ftNelson Dam No. 2
Fall River, SD
Low Hazard 23 ftEbersoll Dam
Fall River, SD
Low Hazard 21 ftHaystack Butte Dam
Fall River, SD
Low Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Cortney Creek Dam?
Cortney Creek 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 Cortney Creek Dam?
Cortney Creek Dam is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cortney Creek Dam built?
Cortney Creek Dam was completed in 1999, making it 27 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 Cortney Creek Dam?
Cortney Creek Dam serves the following purposes: Fish And Wildlife Pond, 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 Cortney Creek Dam?
Cortney Creek Dam 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 Cortney Creek Dam last inspected?
Cortney Creek Dam was last inspected on August 28, 2001. Inspection dates indicate when a formal review occurred, not the results of that inspection.