Amherst 20
Amherst 20 is a rockfill dam located in Fillmore County, Minnesota. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Amherst 20
The primary purpose of Amherst 20 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 Mccabe, Roger (private). It impounds the Root River So Fork-tr near Houston.
The dam stands 18 feet tall and stretches 365 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 1 square miles.
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 05/22/2018.
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Location
| State | Minnesota |
| County | Fillmore |
| Nearest City | Houston |
| River/Stream | Root River So Fork-tr |
| Coordinates | 43.62214, -91.93785 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 365 ft |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | McCabe, Roger |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/22/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01788 |
| Federal ID | MN01788 |
| More Info | State Dam Safety Program |