SNOFLO
 


NADA DAM

RESERVOIR LEVELS
Rock Dam Unnamed Tribut. To Snow Creek
May 9, 2025


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Nada Dam, located in Leavenworth, Washington, is a Federal-owned structure managed by the Fish and Wildlife Service with a primary purpose of water supply. Built in 1939, this buttress dam stands at 9 feet high with a length of 24 feet, providing a storage capacity of 55 acre-feet. The dam is situated on an unnamed tributary to Snow Creek, within the Seattle District of the US Army Corps of Engineers.

Although the hazard potential is considered low and the condition assessment satisfactory, the dam has undergone modifications in 2009. Its spillway type is uncontrolled with a width of 21 feet, and the outlet gates consist of a slide (sluice gate). The dam's risk assessment is moderate, indicating a need for ongoing monitoring and risk management measures to ensure its continued safety and functionality for water resource management in the region.

Overall, Nada Dam serves as a critical infrastructure for water supply in Chelan County, Washington, playing a crucial role in water storage and management. With its historical significance dating back to the late 1930s, the dam remains a key component of the local water resource infrastructure, showcasing the intersection of engineering, environmental stewardship, and climate resilience in the region.

Years_Modified 2009 - Other
Year_Completed 1939
Dam_Height 9
River_Or_Stream UNNAMED TRIBUT. TO SNOW CREEK
Dam_Length 24
Primary_Dam_Type Buttress
Hydraulic_Height 9
Drainage_Area 1.59
Nid_Storage 55
Structural_Height 9
Outlet_Gates Slide (sluice gate)
Hazard_Potential Low
Foundations Rock
Nid_Height 9
       

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