Perfect World

Superfund / Texas

NPL Site · EPA Region 6

Sheridan Disposal Services

Hempstead, Waller County, Texas

Industry (inferred)Waste Management
Waste treatment & disposal
EPA IDTXD062132147
HRS score30.16
ProposedJune 10, 1986
ListedMarch 31, 1989
Construction completeMay 1, 2006
Deleted

Regulatory timeline

  1. June 10, 1986Proposed for the NPL
  2. March 31, 1989Established on the NPL (final listing)
  3. May 1, 2006Construction 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. May 1, 2026Projected five-year review (reinspection), cycle 4
  2. May 1, 2031Projected five-year review (reinspection), cycle 5
  3. May 1, 2036Projected five-year review (reinspection), cycle 6

Official EPA records