Rocky Ridge
Key Takeaway
Rocky Ridge is classified as high hazard in Colorado. It was completed in 1940 and is 86 years old. Its primary use is irrigation. 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 | 16 ft (taller than 23.3% in CO) |
| Dam Length | 241 ft |
| Dam Type | Earth |
| Max Storage | 5.2K acre-ft |
| Normal Storage | 4.3K acre-ft |
| Surface Area | 236 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 5,880 cfs |
| Year Completed | 1940 (86 years old) |
| Year Modified | 2005 |
| NID ID | CO02020 |
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
WATER SUPPLY & STORAGE CO. (FRICK, DONALD)
Private
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Significant Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Rocky Ridge?
Rocky Ridge 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 Rocky Ridge?
Rocky Ridge is owned by WATER SUPPLY & STORAGE CO. (FRICK, DONALD) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rocky Ridge built?
Rocky Ridge was completed in 1940, making it 86 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 Rocky Ridge?
Rocky Ridge serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Rocky Ridge?
Rocky Ridge has a dam height of 16 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 Rocky Ridge last inspected?
Rocky Ridge was last inspected on July 29, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.