Hansen Dam
Hansen Dam is an earth dam located in Harding County, South Dakota, built in 2000. It carries a Low hazard potential classification.
About Hansen Dam
The primary purpose of Hansen Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Vernon Hansen (private). It impounds the Dry House Creek.
The dam stands 18 feet tall and stretches 672 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 191 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 2000, the structure is 26 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. The most recent inspection on record was 11/18/2003. That was over 22 years ago.
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Location
| State | South Dakota |
| County | Harding |
| River/Stream | Dry House Creek |
| Coordinates | 45.74865, -103.76833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 672 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 191 acre-ft |
| Max Storage | 191 acre-ft |
| Normal Storage | 73 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 3,650 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | VERNON HANSEN |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 11/18/2003 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02512 |
| Federal ID | SD02512 |
| More Info | State Dam Safety Program |