Ellsworth Air Force Base

Regulatory timeline

1. October 26, 1989Proposed for the NPL
2. August 30, 1990Established on the NPL (final listing)
3. August 30, 1990Has had a partial deletion
4. September 10, 1999Construction 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 10, 2024Projected five-year review (reinspection), cycle 5
2. September 10, 2029Projected five-year review (reinspection), cycle 6
3. September 10, 2034Projected five-year review (reinspection), cycle 7

Official EPA records