Horihan-herrick
Horihan-herrick is an earth dam located in Fillmore County, Minnesota, built in 1991. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Horihan-herrick
The primary purpose of Horihan-herrick 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 Herrick, Martin (private). It impounds the Root River-tr near Whalan.
The dam stands 36 feet tall and stretches 350 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 34 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1991, the structure is 35 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 05/22/2018.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Minnesota |
| County | Fillmore |
| Nearest City | Whalan |
| River/Stream | Root River-tr |
| Coordinates | 43.73881, -91.98141 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 34 ft |
| Dam Length | 350 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 34 acre-ft |
| Max Storage | 34 acre-ft |
| Normal Storage | 12 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 300 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Herrick, Martin |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/22/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01267 |
| Federal ID | MN01267 |
| More Info | State Dam Safety Program |