Minett-kranz Detention is an earth dam located in Pipestone County, Minnesota, built in 1988. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 33 ft33 ft tall and 1,000 ft long, taller than 76% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Minett-kranz Detention
The primary purpose of Minett-kranz 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 County of Pipestone (local government). It impounds the Redwood River-tr near Ruthton.
The dam stands 33 feet tall and stretches 1,000 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 450 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1988, the structure is 38 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 05/28/2024.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Minnesota |
| County | Pipestone |
| Nearest City | Ruthton |
| River/Stream | Redwood River-tr |
| Coordinates | 44.14442, -96.09670 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 29 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 450 acre-ft |
| Max Storage | 450 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 2,400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | County of Pipestone |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/28/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00146 |
| Federal ID | MN00146 |
| More Info | State Dam Safety Program |