Jackson Dam
Jackson Dam is an earth dam located in Corson County, South Dakota, built in 1981. It carries a Significant hazard potential classification.
About Jackson Dam
The primary purpose of Jackson 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 Harrold Jackson (private). It impounds the Tr-oak Creek.
The dam stands 12 feet tall and stretches 120 feet across, and has a maximum storage capacity of 50 acre-feet. Completed in 1981, the structure is 45 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | South Dakota |
| County | Corson |
| River/Stream | Tr-oak Creek |
| Coordinates | 45.63332, -100.53332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 120 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 4 acre-ft |
| Max Discharge | 675 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | HARROLD JACKSON |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02473 |
| Federal ID | SD02473 |
| More Info | State Dam Safety Program |