Twin Valley Lakes - East Dam
Key Takeaway
Twin Valley Lakes - East Dam is classified as significant hazard in Iowa. It was completed in 1965 and is 61 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 50 ft (taller than 95.3% in IA) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 392 acre-ft |
| Normal Storage | 192 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | IA03528 |
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
Lori Pike;Twin Valley Lakes Association
Private
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Twin Valley Lakes - East Dam?
Twin Valley Lakes - East 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 Twin Valley Lakes - East Dam?
Twin Valley Lakes - East Dam is owned by Lori Pike;Twin Valley Lakes Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Twin Valley Lakes - East Dam built?
Twin Valley Lakes - East Dam was completed in 1965, making it 61 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Twin Valley Lakes - East Dam?
Twin Valley Lakes - East Dam has a dam height of 50 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 Twin Valley Lakes - East Dam last inspected?
Twin Valley Lakes - East Dam was last inspected on July 10, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.