Skip to main content
close

KingCounty.gov is an official government website. Here's how you knowexpand_moreexpand_less

account_balance

Official government websites use .gov

Website addresses ending in .gov belong to official government organizations in the United States.

lock

Secure .gov websites use HTTPS

A lock lock or https:// means you've safely connected to the .gov website. Only share sensitive information on official, secure websites.

What are the most affected areas?

WA Dept. of Ecology is managing the clean-up of the Tacoma Smelter Plume. The area is too large to dig up all the contaminated soils. Instead, we are using a combination of clean-up and education. Download map of affected areas (17 KB).

King County communities most affected are:

  • Vashon-Maury Island
  • Parts of Federal Way and Kent
  • Des Moines
  • SeaTac
  • Normandy Park
  • Burien
  • Tukwila
  • North Highline area
  • West Seattle

Find out if your yard is contaminated by the Tacoma Smelter Plume

Find out if your child's play area is contaminated by the Tacoma Smelter Plume

Ecology's Soil Safety Program tests and cleans up play areas at schools, childcares, and parks. Most of the clean-up work at these play areas have been completed. For more info, visit Ecology's Soil Safety Program's blog.

Check to see if your child's play area is impacted by the TSP:

expand_less