Ward Vanhorn
Ward Vanhorn is an earth dam located in Harding County, South Dakota, built in 1956. It carries a Low hazard potential classification.
About Ward Vanhorn
The primary purpose of Ward Vanhorn 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 Ward Vanhorn (private). It impounds the Tr North Fork Moreau River.
The dam stands 17 feet tall and stretches 660 feet across, and has a maximum storage capacity of 80 acre-feet. Completed in 1956, 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.
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Location
| State | South Dakota |
| County | Harding |
| Nearest City | None |
| River/Stream | Tr North Fork Moreau River |
| Coordinates | 45.37333, -103.52666 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 660 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 35 acre-ft |
| Max Discharge | 3,750 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | WARD VANHORN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01880 |
| Federal ID | SD01880 |
| More Info | State Dam Safety Program |