Mann
Key Takeaway
Mann is classified as low hazard in Colorado. It was completed in 1877 and is 149 years old. Its primary use is recreation.
Physical Details
| Dam Height | 15 ft (taller than 20.1% in CO) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 98 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 575 cfs |
| Year Completed | 1877 (149 years old) |
| NID ID | CO01161 |
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
CARRUTH PROPERTIES COMPANY (CARRUTH, DENNIS)
Private
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What is the hazard classification of Mann?
Mann 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 Mann?
Mann is owned by CARRUTH PROPERTIES COMPANY (CARRUTH, DENNIS) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mann built?
Mann was completed in 1877, making it 149 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 Mann?
Mann serves the following purposes: Recreation, Fire Protection, Stock, Or Small Fish Pond, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mann?
Mann has a dam height of 15 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 Mann last inspected?
Mann was last inspected on June 15, 2007. Inspection dates indicate when a formal review occurred, not the results of that inspection.