Diamondhead Lake Dam
Key Takeaway
Diamondhead Lake Dam is classified as significant hazard in Iowa. It was completed in 1963 and is 63 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 43 ft (taller than 89% in IA) |
| Dam Length | 880 ft |
| Dam Type | Earth |
| Max Storage | 1.9K acre-ft |
| Normal Storage | 825 acre-ft |
| Surface Area | 102 acres |
| Drainage Area | 14 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1963 (63 years old) |
| Year Modified | 1975 |
| NID ID | IA00409 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Long Branch Maintenance Corp
Private
Nearby Dams
Iowa Noname16
Guthrie, IA
Low Hazard 34 ftDavison Dam
Guthrie, IA
Low Hazard 27 ftFreestone Dam
Dallas, IA
Low Hazard 36 ftHarris Dam
Guthrie, IA
Low Hazard 46 ftO Brien Dam
Guthrie, IA
Low Hazard 33 ftFindley Dam
Guthrie, IA
Low Hazard 26 ftRaber Dam
Guthrie, IA
Low Hazard 37 ftBeaver Lake Dam
Dallas, IA
Significant Hazard 43 ftFrequently Asked Questions
What is the hazard classification of Diamondhead Lake Dam?
Diamondhead Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Diamondhead Lake Dam?
Diamondhead Lake Dam is owned by Long Branch Maintenance Corp (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Diamondhead Lake Dam built?
Diamondhead Lake Dam was completed in 1963, making it 63 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 Diamondhead Lake Dam?
Diamondhead Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Diamondhead Lake Dam?
Diamondhead Lake Dam has a dam height of 43 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 Diamondhead Lake Dam last inspected?
Diamondhead Lake Dam was last inspected on July 16, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.