SNOFLO



LAKEMONT STORMWATER POND

RESERVOIR LEVELS
Rock, Soil Dam Lewis Creek
April 26, 2025


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Lakemont Stormwater Pond, also known as High Park Detention Pond, is a vital infrastructure in Bellevue, Washington, designed for flood risk reduction. Managed by the local government and regulated by the Washington Dept of Ecology, this earth dam structure is situated along Lewis Creek, with a capacity of 30 acre-feet for storage and a drainage area of 0.4 square miles. Completed in 1992, the pond has a hydraulic height of 13 feet and a maximum discharge capacity of 581 cubic feet per second, serving as a crucial defense against potential flooding events in the area.

With a satisfactory condition assessment and a high hazard potential rating, Lakemont Stormwater Pond plays a crucial role in mitigating flood risks for the surrounding community. The structure has a surface area of 10 acres and provides normal storage of 10 acre-feet, ensuring efficient water management in the region. Despite its importance, the pond has not been modified since its completion and undergoes regular inspections every five years to maintain its functionality. With emergency action plans in place and a solid risk management strategy, the pond stands as a reliable resource for safeguarding against potential water-related hazards in the area.

As a key asset in flood risk reduction, Lakemont Stormwater Pond exemplifies the importance of sustainable water resource management in addressing climate-related challenges. Located in King County, Washington, this earth dam structure not only serves as a protective barrier against potential inundation but also highlights the critical role of local governments in ensuring the safety and well-being of their communities. With a focus on environmental stewardship and strategic infrastructure planning, the pond stands as a testament to proactive measures in addressing water-related risks and enhancing resilience in the face of a changing climate.

Year_Completed 1992
River_Or_Stream Lewis Creek
Dam_Length 930
Primary_Dam_Type Earth
Surface_Area 10
Hydraulic_Height 13
Drainage_Area 0.4
Nid_Storage 30
Structural_Height 13
Hazard_Potential High
Foundations Rock, Soil
Nid_Height 13
       

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