Fortune Dam is an earth dam located in Pennington County, South Dakota, built in 1974. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 350 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 Fortune Dam
The primary purpose of Fortune Dam 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 Eugene Fortune (private). It impounds the Trib. S. Fork Bad River.
The dam stands 15 feet tall and stretches 350 feet across, and has a maximum storage capacity of 135 acre-feet. Completed in 1974, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | South Dakota |
| County | Pennington |
| Nearest City | None |
| River/Stream | Trib. S. Fork Bad River |
| Coordinates | 44.09166, -102.01666 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 350 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 135 acre-ft |
| Max Storage | 135 acre-ft |
| Normal Storage | 70 acre-ft |
| Max Discharge | 945 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Eugene Fortune |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02305 |
| Federal ID | SD02305 |
| More Info | State Dam Safety Program |