SNOFLO



WHITE ROCK COLONY SOUTH DAM

RESERVOIR LEVELS
Low Hazard Potential Bois De Sioux River-Tr
March 31, 2025


41°F

Today

27°F

Tonight

10mph

Windspeed

74%

Humidity

White Rock Colony South Dam, located in Roberts, South Dakota, is a privately owned structure that plays a crucial role in water resource management in the region. This earth dam stands at a height of 16 feet and has a storage capacity of 51 acre-feet, with a maximum discharge rate of 185 cubic feet per second. The dam is regulated by the South Dakota Department of Environment and Natural Resources (DENR) and is categorized as having low hazard potential, with a moderate risk assessment rating.

The dam, situated on the Bois De Sioux River, serves as a key infrastructure for flood control and water supply purposes in the area. Despite its importance, the dam's condition assessment is currently listed as "Not Rated," indicating a need for further evaluation and maintenance. While the dam does not have outlet gates or a controlled spillway, it is equipped with an uncontrolled spillway type. With its risk assessment rating of 3 (moderate), it is essential for the owners and regulatory agencies to ensure proper management and maintenance to mitigate potential risks.

As water resource and climate enthusiasts, the White Rock Colony South Dam provides an intriguing case study in the intersection of infrastructure, regulation, and risk management. Its location, design, and purpose highlight the complex dynamics involved in managing water resources effectively while balancing the need for safety and environmental conservation. By understanding and addressing the challenges faced by dams like White Rock Colony South Dam, we can work towards building a more resilient and sustainable water infrastructure for the future.

Dam_Height 16
River_Or_Stream Bois De Sioux River-TR
Dam_Length 180
Primary_Dam_Type Earth
Hydraulic_Height 16
Nid_Storage 51
Outlet_Gates None
Hazard_Potential Low
Nid_Height 16
       



       

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