
A picture of the Stoneway Site from the Tri-Park Master Plan
A recent press release from the City discussed the impending purchase of the Stoneway Site for extension of Cedar River Park, but did not mention the environmental remediation challenges that will come with it.

A graphic in a Department of Ecology letter shows locations of petroleum and formaldehyde contamination on the Stoneway site
I support the city purchasing this site as long as Renton gets it for a fair price and we get assistance from the Department of Ecology, State Fisheries, and others to help fully clean it up.
According to the Department of Ecology, there is still formaldehyde, petroleum residue and potentially other industrial waste on the site that is acceptably capped and monitored so long as none of the soil, concrete, and buildings are disturbed. Any digging on the site requires Department of Ecology approval and likely a new environmental remediation plan. The site is also subject to continuous monitoring for chemical movement, and carries liability for whoever owns it.


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