Prince Irrigation Dam #2
Prince Irrigation Dam #2 is an earth dam located in Stanley County, South Dakota, built in 1976. It carries a Significant hazard potential classification.
About Prince Irrigation Dam #2
The primary purpose of Prince Irrigation Dam #2 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 Prince & Sons Inc. (private). It impounds the East Fork Lance Creek.
The dam stands 46 feet tall and stretches 800 feet across, creates a reservoir covering 39 acres, and has a maximum storage capacity of 1,100 acre-feet. Completed in 1976, the structure is 50 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. The most recent inspection on record was 05/17/1991. That was over 35 years ago.
At 46 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | South Dakota |
| County | Stanley |
| Nearest City | None |
| River/Stream | East Fork Lance Creek |
| Coordinates | 44.39456, -100.81871 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 46 ft |
| Dam Height | 46 ft |
| Dam Length | 800 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 1,100 acre-ft |
| Max Storage | 1,100 acre-ft |
| Normal Storage | 450 acre-ft |
| Surface Area | 39 acres |
| Max Discharge | 3,500 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | PRINCE & SONS INC. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Last Inspection | 05/17/1991 |
Identifiers
| NID ID | SD02205 |
| Federal ID | SD02205 |
| More Info | State Dam Safety Program |