Gray Dam
Key Takeaway
Gray Dam is classified as low hazard in Iowa. It was completed in 1946 and is 80 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 25 ft (taller than 19.3% in IA) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 80 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1946 (80 years old) |
| NID ID | IA02082 |
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
John A Gray
Private
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Significant Hazard 45 ftFrequently Asked Questions
What is the hazard classification of Gray Dam?
Gray 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 Gray Dam?
Gray Dam is owned by John A Gray (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gray Dam built?
Gray Dam was completed in 1946, making it 80 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 Gray Dam?
Gray Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Gray Dam?
Gray Dam has a dam height of 25 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 Gray Dam last inspected?
Gray Dam was last inspected on August 2, 1979. Inspection dates indicate when a formal review occurred, not the results of that inspection.