Hutchinson Dam
Hutchinson Dam is an earth dam located in Lyman County, South Dakota, built in 1968. It carries a Low hazard potential classification.
About Hutchinson Dam
The primary purpose of Hutchinson 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 38 feet tall and stretches 300 feet across, and has a maximum storage capacity of 200 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.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | South Dakota |
| County | Lyman |
| Nearest City | None |
| River/Stream | Trib. White River |
| Coordinates | 43.69999, -99.98332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 300 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 105 acre-ft |
| Max Discharge | 2,900 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | ROBERT HUTCHINSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02333 |
| Federal ID | SD02333 |
| More Info | State Dam Safety Program |