Person #1
Person #1 is an earth dam located in Marshall County, South Dakota, built in 1983. It carries a Significant hazard potential classification.
About Person #1
The primary purpose of Person #1 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 Gerald A. Person (private). It impounds the Trib. Wild Rice Creek.
The dam stands 21 feet tall and stretches 500 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 400 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1983, the structure is 43 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 | Marshall |
| Nearest City | None |
| River/Stream | Trib. Wild Rice Creek |
| Coordinates | 45.69906, -97.71529 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 500 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 2,100 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | GERALD A. PERSON |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02240 |
| Federal ID | SD02240 |
| More Info | State Dam Safety Program |