Yard cleanup program
We are using a large part of a $94 million settlement from Asarco to sample and replace soil in residential yards. We offer soil replacement through the Residential Yard Sampling and Cleanup Program (Yard Program). The Yard Program includes the most contaminated areas of the Tacoma Smelter Plume. The program is free to all residential properties that qualify within the service area and is completely voluntary.
We identify yards that may qualify by reviewing soil sampling results and assessing the property at the initial visit. We send a letter in the mail inviting qualifying properties to participate.
Yard program service area
The Yard Program service area includes areas where we predict at least 10 percent of yards have arsenic and lead concentration that qualify for soil replacement: 100 parts per million for arsenic and 500 parts per million for lead. We used past sampling data, distance from the former smelter, wind direction, and other factors to predict these areas.
The service area also includes the area closest to the former smelter, where the EPA worked with ASARCO to address soil contamination in residential yards in the early 1990s to 2000. The EPA continues their involvement in addressing soil contamination through their Superfund cleanup program.
How do I participate?
If your property is in the Yard Program service area, your yard may have already been sampled. To find out if there is existing soil sampling data for your property go to our interactive Dirt Alert map.
If your property is within the Yard Program service area and we do not have soil sampling data for your property, sign up for soil sampling by contacting Tacoma Pierce County Public Health Department or Ecology.
We do not offer soil sampling inside the EPA study area because it was already sampled extensively during the first phase of cleanup.
Find information about your property
- See if your property is in the Yard Program service area and find sampling and soil replacement information by searching for your address with our online map tool.
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Learn about the sampling or replacement schedule for your property on the updates page.
How does soil sampling work?
The soil sampling webpage explains how sampling works in different areas. If you live in the Yard Program service area, your property has probably already been sampled. To check if your property was sampled, use our searchable online map.How does my property qualify for soil replacement?
- We recommend soil replacement for yards with arsenic above 100 parts per million (ppm) or lead above 500 ppm. For properties inside the study area, we look at the parcel average for both arsenic and lead.
- Sampling results are from the EPA or Ecology’s Yard Program (Tacoma-Pierce County Health Department) sampling.
- The property must be inside the Yard Program service area (see map below).
- You choose to participate. The program is voluntary.
Properties or parts of yards may not qualify for soil replacement if:
- There are steep slopes.
- There is no access or limited access.
- There is a large retaining wall or permanent structure.
- There are lots of trees.
To learn more about the areas that don’t qualify, read our excluded areas handout. Not all properties qualify for soil replacement.
The soil replacement webpage explains how soil replacement works. You can also view this three-part video.
Related links
Contact information
Justin Zakoren
Tacoma Smelter Plume Remediation Manager
Justin.Zakoren@ecy.wa.gov
360-407-6790