George Knapp Dam, located in Pennington, South Dakota, is a private-owned structure that serves as a crucial water resource for the area.
Wind
Humidity
Completed in 1955, this earth dam stands at a height of 15 feet and spans a length of 1060 feet, providing a storage capacity of 110 acre-feet. Situated on the TR-CHEYENNE river, the dam is regulated by the South Dakota Department of Environment and Natural Resources, ensuring proper inspection, enforcement, and permitting processes are in place.
Despite its low hazard potential, George Knapp Dam plays a significant role in flood control and water storage for the region. Managed by the Natural Resources Conservation Service, the dam supports a normal storage capacity of 48 acre-feet and a maximum discharge of 1800 cubic feet per second. While the condition of the dam is currently not rated, its strategic location and design contribute to its vital role in maintaining water quality and availability in the area.
As a key component of the local water infrastructure, George Knapp Dam contributes to the overall water management efforts in Pennington County. With its modest height and impressive storage capacity, the dam serves as a reliable resource for water supply, irrigation, and environmental conservation. As climate change continues to impact water resources, structures like George Knapp Dam play a crucial role in ensuring a sustainable and resilient water supply for the community.
Year Completed |
1955 |
Dam Length |
1060 |
Dam Height |
15 |
River Or Stream |
TR-CHEYENNE |
Primary Dam Type |
Earth |
Hydraulic Height |
15 |
Nid Storage |
110 |
Hazard Potential |
Low |
Nid Height |
15 |
| Location | Reservations | Toilets |
|---|---|---|
Buffalo gap national grassland
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Sage Creek
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Sage Creek Campground
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