Greater Kelsey Basin

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Lake Washington Watershed (WRIA 8)

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.

Greater Kelsey.jpg

Please check out the PDF fact sheet version

Land Characteristics

Basin Area
8,735 Total Acres
City Area
38.5%
Drainage Jurisdiction(s)
Bellevue: 94.6%
Beaux Arts: 0.0%
Clyde Hill: 0.0%
Issaquah: 0.0%
King County: 2.0%
Kirkland: 0.3%
Medina: 0.0%
Newcastle: 0.0%
Redmond: 3.1%
Renton: 0.0%
Lowest Elevation
20 Ft
Highest Elevation
1,010 Ft
Total Length of Open Channel
26.5 Miles
Total Length of Storm Drainage Pipes:
162.7 Miles

Salmon Present in the Basin

  • Chinook*+
  • Sockeye
  • Rainbow & Cutthroat Trout
  • Chum
  • Steelhead
  • Coho+

* 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)
53,253
% of all Basins
35.3%
Basin Population Density
1,508 People per Square Mile

Land Use

Entire Basin Within Bellevue
Public Right of Way 15.1% 15.2%
Commercial/Office 11.8% 11.1%
Industrial 1.6% 1.7%
Institutional/Government 6.4% 6.8%
Mixed Use/Misc 6.0% 5.6%
Multi-Family 4.7% 4.9%
Open Space/Park 12.3% 10.9%
Single Family Residential 35.2% 36.9%
Unknown 6.8% 6.9%

Land Cover

Entire Basin Within Bellevue
Impervious 42.7% 50.6%
Tree Canopy 38.3% 37.7%
Impervious in 100 Ft Stream Buffer 23.3% 23.3%
Tree Canopy in 100 Ft Stream Buffer 56.1% 56.1%