Pony Creek - Lower
Key Takeaway
Pony Creek - Lower is classified as high hazard in Oregon. It was completed in 1988 and is 38 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 32 ft (taller than 63.9% in OR) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 400 acre-ft |
| Normal Storage | 400 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 1,150 cfs |
| Year Completed | 1988 (38 years old) |
| NID ID | OR00070 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Coos Bay - North Bend Water Board
Public Utility
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Pony Creek - Lower?
Pony Creek - Lower is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Pony Creek - Lower?
Pony Creek - Lower is owned by Coos Bay - North Bend Water Board (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pony Creek - Lower built?
Pony Creek - Lower was completed in 1988, making it 38 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 Pony Creek - Lower?
Pony Creek - Lower serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Pony Creek - Lower?
Pony Creek - Lower has a dam height of 32 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 Pony Creek - Lower last inspected?
Pony Creek - Lower was last inspected on September 23, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.