Perfect World

Superfund / Minnesota

NPL Site · EPA Region 5

Koppers Coke

St. Paul, Ramsey County, Minnesota

Industry (inferred)Wood & Paper
Wood preserving & treating
EPA IDMND000819359
HRS score55.05
ProposedDecember 30, 1982
ListedSeptember 8, 1983
Construction completeJuly 20, 1998
Deleted

Regulatory timeline

  1. December 30, 1982Proposed for the NPL
  2. September 8, 1983Established on the NPL (final listing)
  3. July 20, 1998Construction 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. July 20, 2023Projected five-year review (reinspection), cycle 5
  2. July 20, 2028Projected five-year review (reinspection), cycle 6
  3. July 20, 2033Projected five-year review (reinspection), cycle 7

Official EPA records