This park is located in the city limits of Des Moines, East of Parkside Elementary School. It was constructed as a neighborhood park during the 1980's by King County as one of the last parks constructed under the Forward Thrust project. It was developed after ASARCO was closed but the topsoil was never removed during it's original construction.
Around 1968, King County put the initiative on the ballot known as Forward Thrust. This was an initiative that was used to do the following:
Construction of the Kingdome
Community pools (such as Mt. Rainier Pool and the original Federal Way pool near Federal Way High School)
King County continued to construct the parks and pools, throughout the county, until the 1980s. Zenith Park (now Des Moines Elementary) was constructed during this time.
The parks and pools were managed by King County Parks and Recreation. During the beginning of th 21st century, the county decided to stop funding the parks and pools and turned most of it's properties to the incorporated areas that they served while operating parks in unincorporated areas through volunteers and donations.
Des Moines Parks and Recreation took over the operations of all the county parks and the pool during this time within the city limits.
In 2016, the city of Des Moines decided to redevelop the park for family use. The city worked with the Washington State Department of Ecology to clean up the top soil from the park.
Copy of the soil cleanup proposal.
For such a small park, $200,000 was allocated to clean up the topsoil before development.
Samples taken before the soil was extracted revealed that the soil contained:
|Arsenic Avg.||Arsenic Max.||Lead Avg.||Lead Max.
Source: Washington State Dept of Ecology (Addendum to Notice of Intent Parkside Park - Summer 2016)
While the report didn't indicate a form of measurement, most of the measurements given by EPA and the Dept of Ecology list them in ppm (parts per million) or in part per deciliters (ppd).
If these measurements were in ppm, some of the lead reading results (based on maximum lead readings on the site) are greater than what is indicated in the reported area by the Dept of Ecology (50 to 100 ppm).
The Tacoma Smelter Plume Annual Report (2017) shows the soil being removed from Parkside Park.
Tacoma Smelter Plume Annual Report (2017)