Horning-festler Detention
Horning-festler Detention is an earth dam located in Rice County, Minnesota, built in 1977. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Horning-festler Detention
The primary purpose of Horning-festler 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 Festler, John & Karen (private). It impounds the Cannon River-os near Northfield.
The dam stands 26 feet tall and stretches 513 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 44 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1977, the structure is 49 years old.
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 05/04/2023.
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Location
| State | Minnesota |
| County | Rice |
| Nearest City | Northfield |
| River/Stream | Cannon River-os |
| Coordinates | 44.43577, -93.11637 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 513 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 44 acre-ft |
| Max Storage | 44 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 617 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Festler, John & Karen |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/04/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00870 |
| Federal ID | MN00870 |
| More Info | State Dam Safety Program |