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Superfund / Washington

Hidden Valley Landfill (Thun Field)

Pierce County, Pierce County, Washington

This site remains on the final NPL. The engineered cleanup (its "remedy") was physically completed on 09/28/2000, and the site stays listed while monitoring confirms the remedy works.

EPA IDWAD980511539
StatusNPL Site
HRS score37.93
Proposed06/10/1986
Listed03/31/1989
Construction complete09/28/2000
Deleted-
Coordinates47.09500, -122.28780

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