Hutchinson Irr. Dam is an earth dam located in Lyman County, South Dakota, built in 1976. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 462 ft long, taller than 68% 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 Hutchinson Irr. Dam
The primary purpose of Hutchinson Irr. 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 Robert Hutchinson (private). It impounds the Trib. White River.
The dam stands 30 feet tall and stretches 462 feet across, and has a maximum storage capacity of 211 acre-feet. Completed in 1976, the structure is 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 | Lyman |
| Nearest City | None |
| River/Stream | Trib. White River |
| Coordinates | 43.70499, -99.97999 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 462 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 211 acre-ft |
| Max Storage | 211 acre-ft |
| Normal Storage | 151 acre-ft |
| Max Discharge | 917 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Robert Hutchinson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02313 |
| Federal ID | SD02313 |
| More Info | State Dam Safety Program |