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View the text alternative for King County natural features: by the numbers

King County natural features infographic map - by the numbers

This infographic appeared in the Department of Natural Resources and Parks 2015 Annual Report. Get the most current version from our Environmental data and trends site.


Features

  • 2,131 square miles
  • 1,931,249  population
  • 14th most populated county in the U.S. (out of 3,033)
  • 760 lakes and reservoirs
  • 975 wetlands
  • 46.32 inches average annual precipitation
  • 6 major river systems
  • 3,000 miles of streams
  • 100 miles of marine coastline
  • 3 federally protected salmon species
  • 850,000 acres of forestlands

Facilities

  • 500 flood facilities and revetments totaling more than 119 miles of riverbank
  • 28,000 acres of parks and natural lands
  • 200 parks and 215 miles of backcountry trails
  • 353 miles of underground wastewater pipes and tunnels
  • 8 solid waste transfer stations and 2 rural drop boxes
  • 920 acre Cedar Hills Regional Landfill
  • 3 major regional wastewater treatment plants; 2 smaller treatment plants
  • 4 combined sewer overflow treatment plants
  • 2,369 commercial/residential stormwater control facilities
  • 700 low impact development sites