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BOWMAN ARCH

RESERVOIR LEVELS
March 25, 2025


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Bowman Arch, located in California's Nevada County, is a stunning arch dam constructed in 1927 for irrigation purposes. With a height of 105 feet and a storage capacity of 68,500 acre-feet, this dam plays a crucial role in water management in the region. The dam also serves multiple purposes including hydroelectric power generation, recreation, and water supply, highlighting its importance in the local ecosystem.

Managed by the Federal Energy Regulatory Commission, Bowman Arch has a spillway width of 114 feet and a maximum discharge of 19,500 cubic feet per second. The dam's hazard potential is classified as high, emphasizing the need for regular inspections and maintenance to ensure its safety and integrity. With a history dating back almost a century, Bowman Arch stands as a testament to engineering excellence and the importance of water resource management in mitigating climate challenges and supporting sustainable development in the region.

As a multi-purpose structure with a very high risk assessment rating, Bowman Arch embodies the intricate balance between water resource utilization and environmental conservation. Its association with controlled spillways and radial outlet gates underscores the technological sophistication of the dam. With a primary focus on irrigation, the dam continues to play a vital role in supporting agriculture and water supply needs in the area. For water resource and climate enthusiasts, Bowman Arch serves as a remarkable example of sustainable infrastructure that adapts to changing environmental conditions while meeting the diverse needs of the community.

Year_Completed 1927
Dam_Height 105
River_Or_Stream Canyon Creek
Dam_Length 567
Primary_Dam_Type Arch
Surface_Area 810
Hydraulic_Height 105
Drainage_Area 29
Nid_Storage 68500
Structural_Height 109
Outlet_Gates Tainter (radial) - 7
Hazard_Potential High
Foundations Rock
Nid_Height 109
       

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