Rock Gap
Key Takeaway
Rock Gap is classified as low hazard in Colorado. It was completed in 1966 and is 60 years old. Its primary use is recreation.
Physical Details
| Dam Height | 30 ft (taller than 65.6% in CO) |
| Dam Length | 312 ft |
| Dam Type | Earth |
| Max Storage | 84 acre-ft |
| Normal Storage | 52 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 406 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | CO00687 |
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
HAMILTON DUNCAN,
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Rock Gap?
Rock Gap 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 Rock Gap?
Rock Gap is owned by HAMILTON DUNCAN, (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rock Gap built?
Rock Gap was completed in 1966, making it 60 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 Rock Gap?
Rock Gap serves the following purposes: Recreation, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Rock Gap?
Rock Gap has a dam height of 30 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 Rock Gap last inspected?
Rock Gap was last inspected on October 1, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.