Hanson
Hanson is an earth dam located in Carlton County, Minnesota, built in 1979. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Hanson
The primary purpose of Hanson 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 Schneider, James (private). It impounds the Skunk Creek near Superior, Wisconsin.
The dam stands 22 feet tall and stretches 830 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 573 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1979, the structure is 47 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 08/20/2014. That was over 11 years ago.
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Location
| State | Minnesota |
| County | Carlton |
| Nearest City | Superior, Wisconsin |
| River/Stream | Skunk Creek |
| Coordinates | 46.50240, -92.49573 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 19 ft |
| Dam Length | 830 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 573 acre-ft |
| Max Storage | 573 acre-ft |
| Normal Storage | 12 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 536 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Schneider, James |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/20/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00831 |
| Federal ID | MN00831 |
| More Info | State Dam Safety Program |