South Whitewater 251 (Nid), also known as Big Foot Pass Dam, is a Federal-owned structure located in Pennington, South Dakota.
Wind
Humidity
Completed in 1936, this Earth-type dam stands at a height of 20 feet and has a storage capacity of 66 acre-feet, primarily serving purposes such as fire protection, stock watering, and small fish pond management. The dam is situated on the Dry Draw river, within the St. Paul District of the US Army Corps of Engineers, and is regulated by the Forest Service.
With a low hazard potential and a moderate risk assessment rating, South Whitewater 251 (Nid) plays a crucial role in the water resource management of the area. While it has not been rated for its current condition, the dam is subject to regular inspections every 10 years to ensure its structural integrity and safety. Although it lacks certain emergency preparedness features such as an Emergency Action Plan (EAP) and inundation maps, the dam remains a vital component for the local ecosystem and water supply, warranting continued monitoring and maintenance by the responsible agencies.
Year Completed |
1936 |
Dam Length |
370 |
Dam Height |
17 |
River Or Stream |
DRY DRAW |
Primary Dam Type |
Earth |
Hydraulic Height |
20 |
Drainage Area |
1 |
Nid Storage |
66 |
Structural Height |
20 |
Hazard Potential |
Low |
Nid Height |
20 |
| Location | Reservations | Toilets |
|---|---|---|
Cedar Pass - Badlands National Park
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Cedar Pass Campground
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Badlands Interior Campground
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Buffalo gap national grassland
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Badlands/White River
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