Hadler Detention
Hadler Detention is an earth dam located in Goodhue County, Minnesota, built in 1981. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Hadler Detention
The primary purpose of Hadler Detention 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 Johnson, Mark (private). It impounds the Trout Brook-tr near Mazeppa.
The dam stands 30 feet tall and stretches 210 feet across, has a maximum storage capacity of 35 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1981, the structure is 45 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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 08/12/2016.
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Location
| State | Minnesota |
| County | Goodhue |
| Nearest City | Mazeppa |
| River/Stream | Trout Brook-tr |
| Coordinates | 44.32687, -92.56466 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 26 ft |
| Dam Length | 210 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 35 acre-ft |
| Max Storage | 35 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 100 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Johnson, Mark |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/12/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00910 |
| Federal ID | MN00910 |
| More Info | State Dam Safety Program |