Chad Leffler Dam
Chad Leffler Dam is an earth dam located in Monroe County, Iowa, built in 2016. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Chad Leffler Dam
The primary purpose of Chad Leffler Dam 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 Chad Leffler (private).
The dam stands 29 feet tall and stretches 464 feet across, has a maximum storage capacity of 248 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2016, 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 06/12/2024.
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Location
| State | Iowa |
| County | Monroe |
| Nearest City | Eldon |
| Coordinates | 40.91980, -92.64040 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 464 ft |
| Year Completed | 2016 (10 years old) |
Storage & Hydraulics
| NID Storage | 248 acre-ft |
| Max Storage | 248 acre-ft |
| Normal Storage | 35 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 225 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Chad Leffler |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/12/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04265 |
| Federal ID | IA04265 |
| More Info | State Dam Safety Program |