Haskins Number 1
Haskins Number 1 is an earth dam located in Stanley County, South Dakota, built in 1935. It carries a Significant hazard potential classification.
About Haskins Number 1
The primary purpose of Haskins Number 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 W.t. Mcilravy (private). It impounds the Branch Willow Creek near Fort Pierre.
The dam stands 17 feet tall and stretches 870 feet across, and has a maximum storage capacity of 120 acre-feet. Completed in 1935, the structure is well-established, with more than 75 years of service.
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 | Stanley |
| Nearest City | Fort Pierre |
| River/Stream | Branch Willow Creek |
| Coordinates | 44.40231, -100.45543 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 870 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 68 acre-ft |
| Max Discharge | 1,560 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | W.T. MCILRAVY |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00254 |
| Federal ID | SD00254 |
| More Info | State Dam Safety Program |