Perfect World

Superfund / Washington

NPL Site · EPA Region 10

Palermo Well Field Ground Water Contamination

Tumwater, Thurston County, Washington

Industry (inferred)Groundwater & Area-wide
Groundwater plume
EPA IDWA0000026534
HRS score50.00
ProposedDecember 23, 1996
ListedApril 1, 1997
Construction completeFebruary 22, 2001
Deleted

Regulatory timeline

  1. December 23, 1996Proposed for the NPL
  2. April 1, 1997Established on the NPL (final listing)
  3. February 22, 2001Construction completed

Projected reinspection cycle

CERCLA requires a five-year review while hazards remain on site. These dates are projected from this site's cleanup timeline — they are estimates, not EPA-published dates. Check the site progress profile for the actual review schedule.

  1. February 22, 2026Projected five-year review (reinspection), cycle 5
  2. February 22, 2031Projected five-year review (reinspection), cycle 6
  3. February 22, 2036Projected five-year review (reinspection), cycle 7

Official EPA records