Easter Lake Retention Basin #1
Key Takeaway
Easter Lake Retention Basin #1 is classified as significant hazard in Iowa. It was completed in 2005 and is 21 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 18 ft (taller than 5.6% in IA) |
| Dam Length | 260 ft |
| Dam Type | Earth |
| Max Storage | 20 acre-ft |
| Normal Storage | 6 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 2005 (21 years old) |
| NID ID | IA03535 |
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
City of Des Moines
Local Government
Nearby Dams
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Significant Hazard 26 ftSe Des Moines Stormwater Det. Dam #5
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Low Hazard 19 ftEaster Lake Retention Basin # 10
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Significant Hazard 22 ftSe Des Moines Stormwater Det. Dam #8
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Low Hazard 23 ftEaster Lake Stormwater Retention Basin - Site 9
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High Hazard 24 ftEaster Lake Dam
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Significant Hazard 43 ftFort Des Moines Park Dam
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High Hazard 49 ftFrequently Asked Questions
What is the hazard classification of Easter Lake Retention Basin #1?
Easter Lake Retention Basin #1 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 Easter Lake Retention Basin #1?
Easter Lake Retention Basin #1 is owned by City of Des Moines (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Easter Lake Retention Basin #1 built?
Easter Lake Retention Basin #1 was completed in 2005, making it 21 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 Easter Lake Retention Basin #1?
Easter Lake Retention Basin #1 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Easter Lake Retention Basin #1?
Easter Lake Retention Basin #1 has a dam height of 18 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 Easter Lake Retention Basin #1 last inspected?
Easter Lake Retention Basin #1 was last inspected on June 17, 2010. Inspection dates indicate when a formal review occurred, not the results of that inspection.