Hanson
Hanson is an earth dam located in Iron County, Wisconsin, built in 1972. It carries a Low hazard potential classification and has a fair condition assessment.
About Hanson
The primary purpose of Hanson is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Full Draw Ii, Llc (private). It impounds the Tr Alder Creek-non Nav.
The dam stands 23 feet tall and stretches 160 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 110 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, the structure is well into its service life at over 50 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 08/31/2017.
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Location
| State | Wisconsin |
| County | Iron |
| Nearest City | None |
| River/Stream | Tr Alder Creek-non Nav |
| Coordinates | 46.45059, -90.27640 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 160 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 110 acre-ft |
| Max Storage | 110 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 20 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Full Draw II, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/31/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00492 |
| Federal ID | WI00492 |
| More Info | State Dam Safety Program |