Harper and Sons
Key Takeaway
Harper and Sons is classified as low hazard in Colorado. It was completed in 1947 and is 79 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 29 ft (taller than 64% in CO) |
| Dam Length | 536 ft |
| Dam Type | Earth |
| Max Storage | 330 acre-ft |
| Normal Storage | 180 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 809 cfs |
| Year Completed | 1947 (79 years old) |
| NID ID | CO00924 |
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
FISHER, ALFRED J.
Private
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Harper and Sons?
Harper and Sons 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 Harper and Sons?
Harper and Sons is owned by FISHER, ALFRED J. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Harper and Sons built?
Harper and Sons was completed in 1947, making it 79 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 Harper and Sons?
Harper and Sons serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Harper and Sons?
Harper and Sons has a dam height of 29 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 Harper and Sons last inspected?
Harper and Sons was last inspected on June 26, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.