Black Gap Pond
Black Gap Pond is an earth dam located in Pennington County, South Dakota, built in 1938. It carries a Low hazard potential classification.
About Black Gap Pond
The primary purpose of Black Gap Pond 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 Ranch At Black Gap Homeowners' Association (private). It impounds the Tr-rapid Creek.
The dam stands 14 feet tall and stretches 335 feet across, and has a maximum storage capacity of 101 acre-feet. Completed in 1938, 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.
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Location
| State | South Dakota |
| County | Pennington |
| Nearest City | None |
| River/Stream | Tr-rapid Creek |
| Coordinates | 43.97809, -103.16592 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 335 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 101 acre-ft |
| Max Storage | 101 acre-ft |
| Normal Storage | 56 acre-ft |
| Max Discharge | 420 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Ranch at Black Gap Homeowners' Association |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01067 |
| Federal ID | SD01067 |
| More Info | State Dam Safety Program |