Lake Colchester Dam
Key Takeaway
Lake Colchester Dam is classified as significant hazard in Iowa. It was completed in 1965 and is 61 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 31 ft (taller than 53.8% in IA) |
| Dam Length | 1,220 ft |
| Dam Type | Earth |
| Max Storage | 3.8K acre-ft |
| Normal Storage | 1.7K acre-ft |
| Surface Area | 170 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | IA01132 |
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
Lakewood Village Association
Private
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Low Hazard 38 ftFrequently Asked Questions
What is the hazard classification of Lake Colchester Dam?
Lake Colchester 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 Lake Colchester Dam?
Lake Colchester Dam is owned by Lakewood Village Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Colchester Dam built?
Lake Colchester 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.
What is the primary purpose of Lake Colchester Dam?
Lake Colchester Dam serves the following purposes: Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Colchester Dam?
Lake Colchester Dam has a dam height of 31 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 Lake Colchester Dam last inspected?
Lake Colchester Dam was last inspected on July 6, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.