Perfect World

Superfund / California

NPL Site · EPA Region 9

Sulphur Bank Mercury Mine

Clear Lake, Lake County, California

Industry (inferred)Mining & Ore Processing
Metal mining
EPA IDCAD980893275
HRS score44.42
ProposedJune 24, 1988
ListedAugust 30, 1990
Construction complete
Deleted

Regulatory timeline

  1. June 24, 1988Proposed for the NPL
  2. August 30, 1990Established 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. August 30, 2025Projected five-year review (reinspection), cycle 7
  2. August 30, 2030Projected five-year review (reinspection), cycle 8
  3. August 30, 2035Projected five-year review (reinspection), cycle 9

Official EPA records