Easter Lake Retention Basin # 10
Easter Lake Retention Basin # 10 is an earth dam located in Polk County, Iowa, built in 2005. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Easter Lake Retention Basin # 10
The primary purpose of Easter Lake Retention Basin # 10 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by City Of Des Moines (local government). It impounds the Tr- Yeader Creek near Des Moines.
The dam stands 22 feet tall and stretches 335 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 23 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2005, the structure is relatively new.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/17/2010. That was over 15 years ago.
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Location
| State | Iowa |
| County | Polk |
| Nearest City | Des Moines |
| River/Stream | Tr- Yeader Creek |
| Coordinates | 41.53690, -93.56680 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 335 ft |
| Year Completed | 2005 (21 years old) |
Storage & Hydraulics
| NID Storage | 23 acre-ft |
| Max Storage | 23 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | City of Des Moines |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/17/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03536 |
| Federal ID | IA03536 |
| More Info | State Dam Safety Program |