Halliday Dam
Key Takeaway
Halliday Dam is classified as low hazard in Iowa. It was completed in 1972 and is 54 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 30 ft (taller than 48.2% in IA) |
| Dam Length | 443 ft |
| Dam Type | Earth |
| Max Storage | 120 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1972 (54 years old) |
| NID ID | IA00838 |
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
Ralph Halliday
Private
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What is the hazard classification of Halliday Dam?
Halliday Dam 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 Halliday Dam?
Halliday Dam is owned by Ralph Halliday (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Halliday Dam built?
Halliday Dam was completed in 1972, making it 54 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 Halliday Dam?
Halliday Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Halliday Dam?
Halliday Dam 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 Halliday Dam last inspected?
Halliday Dam was last inspected on July 13, 1965. Inspection dates indicate when a formal review occurred, not the results of that inspection.