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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
- Type an address into Ecology's interactive map.
- Get your home soil tested. If you're in the soil safety service area (321 KB), fill out the Property Access Agreement for Soil Sampling form available in English (476 KB) and Spanish (219 KB). If you are a renter, ask the owner to fill it out.
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:
- View the King County TSP Soil Safety Service Area Map (321 KB) with zip codes and city names.
- Type an address into Ecology's interactive map