Perfect World

Superfund / Washington

NPL Site · EPA Region 10

Midway Landfill

Kent, King County, Washington

Industry (inferred)Waste Management
Landfill & dump
EPA IDWAD980638910
HRS score54.27
ProposedOctober 15, 1984
ListedJune 10, 1986
Construction completeSeptember 21, 2000
Deleted

Regulatory timeline

  1. October 15, 1984Proposed for the NPL
  2. June 10, 1986Established on the NPL (final listing)
  3. September 21, 2000Construction 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. September 21, 2025Projected five-year review (reinspection), cycle 5
  2. September 21, 2030Projected five-year review (reinspection), cycle 6
  3. September 21, 2035Projected five-year review (reinspection), cycle 7

Official EPA records