Greene Gene No.2 is an earth dam located in Mellette County, South Dakota, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 625 ft long, taller than 59% of U.S. dams with a recorded height. 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 Greene Gene No.2
The primary purpose of Greene Gene No.2 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 Gene Greene (private). It impounds the Tr Cottonwood Offstream.
The dam stands 27 feet tall and stretches 625 feet across, and has a maximum storage capacity of 53 acre-feet. Completed in 1968, 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.
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Location
| State | South Dakota |
| County | Mellette |
| Nearest City | None |
| River/Stream | Tr Cottonwood Offstream |
| Coordinates | 43.69333, -100.94166 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 625 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 53 acre-ft |
| Max Storage | 53 acre-ft |
| Normal Storage | 38 acre-ft |
| Max Discharge | 310 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Gene Greene |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01239 |
| Federal ID | SD01239 |
| More Info | State Dam Safety Program |