SNOFLO



C. WHITE NO. 1

RESERVOIR LEVELS
Soil Dam Cottonwood Creek
April 9, 2025


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C. White No. 1 is a privately owned irrigation dam located in Campbell County, Wyoming, along Cottonwood Creek. Built in 1940 by the Soil Conservation Service (SCS), this earth dam stands at a height of 31 feet and has a storage capacity of 704 acre-feet. Despite its poor condition assessment in 2020, with a low hazard potential, the dam continues to serve its primary purpose of irrigation for the surrounding area.

With a spillway width of 300 feet and controlled outlet gates, C. White No. 1 is equipped to handle moderate risk levels, as assessed by the Dam Safety Action Classification (DSAC). Although the dam's condition may be concerning, regular inspections and enforcement by the Wyoming State Engineer's Office ensure that necessary maintenance and repairs are carried out to mitigate any potential risks. The dam's location in a relatively remote area, 99 miles from the city of Powder River, further reduces the likelihood of major hazards.

As water resource and climate enthusiasts, the data on C. White No. 1 highlights the importance of maintaining and monitoring aging infrastructure to ensure the safety and sustainability of water resources in the region. By understanding the history, design, and current condition of dams like C. White No. 1, stakeholders can work together to implement necessary risk management measures and safeguard valuable water sources for future generations.

Year_Completed 1940
Dam_Height 31
River_Or_Stream COTTONWOOD CREEK
Dam_Length 1950
Primary_Dam_Type Earth
Surface_Area 50
Hydraulic_Height 26
Nid_Storage 704
Structural_Height 31
Outlet_Gates Other Controlled - 1
Hazard_Potential Low
Foundations Soil
Nid_Height 31
       

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