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Lake Washington Watershed (WRIA 8) / State Stream #08-0259

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.

Please check out the PDF fact sheet version

Land Characteristics

Basin Area

1,332 Total Acres

City Area

6.2%

Drainage Jurisdiction(s)

Bellevue: 100.0%

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: 0.0%

Renton: 0.0%

Lowest Elevation

16 Ft

Highest Elevation

467 Ft

Total Length of Open Channel

3.3 Miles

Total Length of Storm Drainage Pipes:

20.9 Miles

Salmon Present in the Basin

  • Chinook*+
  • Coho+
  • Sockeye
  • Rainbow & Cutthroat Trout
  • Steelhead (Lake only)

* 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)

4,900

% of all Basins

3.2%

Basin Population Density

2,354 People per Square Mile

Land Use

 Entire BasinWithin Bellevue
Public Right of Way25.9%25.9%
Commercial/Office6.4%6.4%
Industrial0.5%0.5%
Institutional/Government3.6%3.6%
Mixed Use/Misc3.5%3.5%
Multi-Family1.4%1.4%
Open Space/Park24.7%24.7%
Single Family Residential28.6%28.6%
Unknown5.4%5.4%

Land Cover

 Entire BasinWithin Bellevue
Impervious33.5%33.5%
Tree Canopy43.2%43.2%
Impervious in 100 Ft Stream Buffer8.0%8.0%
Tree Canopy in 100 Ft Stream Buffer52.8%52.8%