• Ardmore Area Drainage Details

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    Lake Washington Watershed (WRIA 8) / State Stream #08-0143

    Updated: July 2017

    The City of Bellevue does not guarantee that the information on this map is accurate or complete. This data is provided on an "as is" basis and disclaims all warranties.

    Ardmore area drainage map

    Please check out the PDF fact sheet version

    Land Characteristics

    Basin Area
    604 Total Acres
    City Area
    2.1%
    Drainage Jurisdiction(s)
    Bellevue: 74.6%
    Beaux Arts: 0.0%
    Clyde Hill: 0.0%
    Issaquah: 0.0%
    King County: 0.0%
    Kirkland: 0.0%
    Medina: 0.0%
    Newcastle: 0.0%
    Redmond: 25.4%
    Renton: 0.0%
    Lowest Elevation
    123 Ft
    Highest Elevation
    443 Ft
    Total Length of Open Channel
    2 Miles
    Total Length of Storm Drainage Pipes:
    12.9 Miles

    Salmon Present in the Basin

    • None known

    * Listed Federal Endangered Species
    + City Species of Local Importance (Bellevue Land Use Code 20.25H.150A)

    Population

    The population density in Bellevue ranges from 1,344 to 9,851 people per square mile.

    Basin Population (2016)
    3,956
    % of all Basins
    2.6%
    Basin Population Density
    5,606 People per Square Mile

    Land Use

      Entire Basin Within Bellevue
    Public Right of Way 21.0% 20.6%
    Commercial/Office 0.0% 0.0%
    Industrial 0.0% 0.0%
    Institutional/Government 4.1% 4.9%
    Mixed Use/Misc 8.8% 1.4%
    Multi-Family 1.2% 0.0%
    Open Space/Park 0.5% 7.0%
    Single Family Residential 62.4% 65.2%
    Unknown 2.9% 7.0%

    Land Cover

      Entire Basin Within Bellevue
    Impervious 32.9% 44.1%
    Tree Canopy 34.5% 32.4%
    Impervious in 100 Ft Stream Buffer 6.1% 8.9%
    Tree Canopy in 100 Ft Stream Buffer 54.6% 83.1%