White River Association #3 is an earth dam located in Mellette County, South Dakota, built in 1957. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 639 ft long, taller than 72% 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 White River Association #3
The primary purpose of White River Association #3 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 White River Grazing Assn. (private). It impounds the Tr Big White Offstream.
The dam stands 31 feet tall and stretches 639 feet across, and has a maximum storage capacity of 74 acre-feet. Completed in 1957, 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 Big White Offstream |
| Coordinates | 43.69833, -100.23332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 639 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Max Storage | 74 acre-ft |
| Normal Storage | 67 acre-ft |
| Max Discharge | 129 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | White River Grazing Assn. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01533 |
| Federal ID | SD01533 |
| More Info | State Dam Safety Program |