Perfect World

Superfund / Illinois

NPL Site · EPA Region 5

Matthiessen and Hegeler Zinc Company

La Salle, La Salle County, Illinois

Industry (inferred)Mining & Ore Processing
Metal mining
EPA IDIL0000064782
HRS score50.00
ProposedJune 14, 2001
ListedSeptember 29, 2003
Construction complete
Deleted

Regulatory timeline

  1. June 14, 2001Proposed for the NPL
  2. September 29, 2003Established on the NPL (final listing)

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 29, 2023Projected five-year review (reinspection), cycle 4
  2. September 29, 2028Projected five-year review (reinspection), cycle 5
  3. September 29, 2033Projected five-year review (reinspection), cycle 6

Official EPA records