Jerry Willuweit is an earth dam located in Pennington County, South Dakota, built in 1937. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 430 ft long. 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 Jerry Willuweit
The primary purpose of Jerry Willuweit 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 Jerry Willuweit (private). It impounds the Tr Bad River.
The dam stands 23 feet tall and stretches 430 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 100 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1937, 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 08/08/1979. That was over 47 years ago.
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Location
| State | South Dakota |
| County | Pennington |
| Nearest City | None |
| River/Stream | Tr Bad River |
| Coordinates | 44.20499, -102.04499 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 430 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,746 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Jerry Willuweit |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/08/1979 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01345 |
| Federal ID | SD01345 |
| More Info | State Dam Safety Program |