Hoover Dam
Hoover Dam is an earth dam located in Butte County, South Dakota, built in 1930. It carries a Low hazard potential classification.
About Hoover Dam
The primary purpose of Hoover 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 Michael R & Erica Welu (private). It impounds the Hans Creek.
The dam stands 16 feet tall and stretches 2,148 feet across, creates a reservoir covering 61 acres, has a maximum storage capacity of 888 acre-feet, and collects water from a drainage area of 23 square miles. Completed in 1930, the structure is well-established, with more than 75 years of service.
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 11/19/2003. That was over 22 years ago.
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Location
| State | South Dakota |
| County | Butte |
| River/Stream | Hans Creek |
| Coordinates | 45.09683, -103.29391 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 2,148 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 888 acre-ft |
| Max Storage | 888 acre-ft |
| Normal Storage | 190 acre-ft |
| Surface Area | 61 acres |
| Drainage Area | 23 sq mi |
| Max Discharge | 2,080 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Michael R & Erica Welu |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 11/19/2003 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02515 |
| Federal ID | SD02515 |
| More Info | State Dam Safety Program |